223440032 has 24 divisors (see below), whose sum is σ = 459025056. Its totient is φ = 106862272.

The previous prime is 223440001. The next prime is 223440043. The reversal of 223440032 is 230044322.

It is a super-2 number, since 2×223440032² = 99850895800322048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223439986 and 223440013.

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, 151058 + ... + 152529.

It is an arithmetic number, because the mean of its divisors is an integer number (19126044).

Almost surely, 2^223440032 is an apocalyptic number.

It is an amenable number.

223440032 is an abundant number, since it is smaller than the sum of its proper divisors (235585024).

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

223440032 is a wasteful number, since it uses less digits than its factorization.

223440032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303620 (or 303612 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 223440032 is about 14947.9106232276. The cubic root of 223440032 is about 606.8113028461.

Adding to 223440032 its reverse (230044322), we get a palindrome (453484354).

The spelling of 223440032 in words is "two hundred twenty-three million, four hundred forty thousand, thirty-two".