223272528 has 20 divisors (see below), whose sum is σ = 576787488. Its totient is φ = 74424160.

The previous prime is 223272499. The next prime is 223272587. The reversal of 223272528 is 825272322.

It is a happy number.

It is a super-3 number, since 3×223272528³ (a number of 26 digits) contains 333 as substring.

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, 2325708 + ... + 2325803.

Almost surely, 2^223272528 is an apocalyptic number.

It is an amenable number.

223272528 is an abundant number, since it is smaller than the sum of its proper divisors (353514960).

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

223272528 is a wasteful number, since it uses less digits than its factorization.

223272528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4651522 (or 4651516 counting only the distinct ones).

The product of its digits is 26880, while the sum is 33.

The square root of 223272528 is about 14942.3066492426. The cubic root of 223272528 is about 606.6596309345.

The spelling of 223272528 in words is "two hundred twenty-three million, two hundred seventy-two thousand, five hundred twenty-eight".