222320232 has 48 divisors (see below), whose sum is σ = 603010980. Its totient is φ = 73996800.

The previous prime is 222320209. The next prime is 222320261. The reversal of 222320232 is 232023222.

It can be written as a sum of positive squares in 2 ways, for example, as 217680516 + 4639716 = 14754^2 + 2154^2 .

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

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 11 ways as a sum of consecutive naturals, for example, 57232 + ... + 60992.

Almost surely, 2^222320232 is an apocalyptic number.

It is an amenable number.

222320232 is an abundant number, since it is smaller than the sum of its proper divisors (380690748).

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

222320232 is a wasteful number, since it uses less digits than its factorization.

222320232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4594 (or 4587 counting only the distinct ones).

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

The square root of 222320232 is about 14910.4068354958. The cubic root of 222320232 is about 605.7958989820.

Adding to 222320232 its reverse (232023222), we get a palindrome (454343454).

The spelling of 222320232 in words is "two hundred twenty-two million, three hundred twenty thousand, two hundred thirty-two".