223932872 has 8 divisors (see below), whose sum is σ = 419874150. Its totient is φ = 111966432.

The previous prime is 223932859. The next prime is 223932881. The reversal of 223932872 is 278239322.

223932872 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 216501796 + 7431076 = 14714^2 + 2726^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13995797 + ... + 13995812.

Almost surely, 2^223932872 is an apocalyptic number.

It is an amenable number.

223932872 is a deficient number, since it is larger than the sum of its proper divisors (195941278).

223932872 is a wasteful number, since it uses less digits than its factorization.

223932872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27991615 (or 27991611 counting only the distinct ones).

The product of its digits is 72576, while the sum is 38.

The square root of 223932872 is about 14964.3867899757. The cubic root of 223932872 is about 607.2571216043.

The spelling of 223932872 in words is "two hundred twenty-three million, nine hundred thirty-two thousand, eight hundred seventy-two".