223040232 has 24 divisors (see below), whose sum is σ = 604067490. Its totient is φ = 74346720.

The previous prime is 223040227. The next prime is 223040243. The reversal of 223040232 is 232040322.

223040232 is a `hidden beast` number, since 2 + 230 + 402 + 32 = 666.

223040232 is digitally balanced in base 2, because in such base 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., 223024356 + 15876 = 14934^2 + 126^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×223040232² = 99493890181227648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1548819 + ... + 1548962.

Almost surely, 2^223040232 is an apocalyptic number.

It is an amenable number.

223040232 is an abundant number, since it is smaller than the sum of its proper divisors (381027258).

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

223040232 is a wasteful number, since it uses less digits than its factorization.

223040232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3097793 (or 3097786 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 223040232 is about 14934.5315293115. The cubic root of 223040232 is about 606.4491654129.

Adding to 223040232 its reverse (232040322), we get a palindrome (455080554).

The spelling of 223040232 in words is "two hundred twenty-three million, forty thousand, two hundred thirty-two".