223401232 has 20 divisors (see below), whose sum is σ = 437045440. Its totient is φ = 110615328.

The previous prime is 223401229. The next prime is 223401253. The reversal of 223401232 is 232104322.

It is a super-2 number, since 2×223401232² = 99816220918235648, which contains 22 as substring.

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, 66132 + ... + 69427.

It is an arithmetic number, because the mean of its divisors is an integer number (21852272).

Almost surely, 2^223401232 is an apocalyptic number.

It is an amenable number.

223401232 is a deficient number, since it is larger than the sum of its proper divisors (213644208).

223401232 is a wasteful number, since it uses less digits than its factorization.

223401232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135670 (or 135664 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 223401232 is about 14946.6127266348. The cubic root of 223401232 is about 606.7761768793.

Adding to 223401232 its reverse (232104322), we get a palindrome (455505554).

The spelling of 223401232 in words is "two hundred twenty-three million, four hundred one thousand, two hundred thirty-two".