First Yandex Task

int ipAdress = 32589;
StringBuilder sb = new StringBuilder();

sb.append(ipAdress & 0xFF).append(".").append((ipAdress >> 8) & 0xFF).append(".")
    .append((ipAdress >> 16) & 0xFF).append(".").append((ipAdress >> 24) & 0xFF);

System.out.println(sb.toString());