222400232 has 16 divisors (see below), whose sum is σ = 418106400. Its totient is φ = 110905200.

The previous prime is 222400223. The next prime is 222400279. The reversal of 222400232 is 232004222.

It is a self number, because there is not a number n which added to its sum of digits gives 222400232.

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 3 ways as a sum of consecutive naturals, for example, 33644 + ... + 39707.

It is an arithmetic number, because the mean of its divisors is an integer number (26131650).

Almost surely, 2^222400232 is an apocalyptic number.

It is an amenable number.

222400232 is a deficient number, since it is larger than the sum of its proper divisors (195706168).

222400232 is a wasteful number, since it uses less digits than its factorization.

222400232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73736 (or 73732 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 222400232 is about 14913.0892842496. The cubic root of 222400232 is about 605.8685537281.

Adding to 222400232 its reverse (232004222), we get a palindrome (454404454).

The spelling of 222400232 in words is "two hundred twenty-two million, four hundred thousand, two hundred thirty-two".