223252528 has 20 divisors (see below), whose sum is σ = 434731600. Its totient is φ = 111063744.

The previous prime is 223252507. The next prime is 223252541. The reversal of 223252528 is 825252322.

It is a super-3 number, since 3×223252528³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 223252528.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31875 + ... + 38242.

It is an arithmetic number, because the mean of its divisors is an integer number (21736580).

Almost surely, 2^223252528 is an apocalyptic number.

It is an amenable number.

223252528 is a deficient number, since it is larger than the sum of its proper divisors (211479072).

223252528 is a wasteful number, since it uses less digits than its factorization.

223252528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70324 (or 70318 counting only the distinct ones).

The product of its digits is 19200, while the sum is 31.

The square root of 223252528 is about 14941.6373935389. The cubic root of 223252528 is about 606.6415162191.

The spelling of 223252528 in words is "two hundred twenty-three million, two hundred fifty-two thousand, five hundred twenty-eight".