222339128 has 16 divisors (see below), whose sum is σ = 454784760. Its totient is φ = 101063200.

The previous prime is 222339109. The next prime is 222339149. The reversal of 222339128 is 821933222.

It is a junction number, because it is equal to n+sod(n) for n = 222339094 and 222339103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1263203 + ... + 1263378.

Almost surely, 2^222339128 is an apocalyptic number.

It is an amenable number.

222339128 is an abundant number, since it is smaller than the sum of its proper divisors (232445632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222339128 is a wasteful number, since it uses less digits than its factorization.

222339128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526598 (or 2526594 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 222339128 is about 14911.0404734210. The cubic root of 222339128 is about 605.8130616050.

The spelling of 222339128 in words is "two hundred twenty-two million, three hundred thirty-nine thousand, one hundred twenty-eight".