222530232 has 32 divisors (see below), whose sum is σ = 557560080. Its totient is φ = 74012160.

The previous prime is 222530227. The next prime is 222530251. The reversal of 222530232 is 232035222.

It is a junction number, because it is equal to n+sod(n) for n = 222530199 and 222530208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1008 + ... + 21120.

Almost surely, 2^222530232 is an apocalyptic number.

It is an amenable number.

222530232 is an abundant number, since it is smaller than the sum of its proper divisors (335029848).

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

222530232 is a wasteful number, since it uses less digits than its factorization.

222530232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20583 (or 20579 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 222530232 is about 14917.4472346980. The cubic root of 222530232 is about 605.9865805391.

Adding to 222530232 its reverse (232035222), we get a palindrome (454565454).

The spelling of 222530232 in words is "two hundred twenty-two million, five hundred thirty thousand, two hundred thirty-two".