222501224 has 32 divisors (see below), whose sum is σ = 470815200. Its totient is φ = 97648320.

The previous prime is 222501211. The next prime is 222501247. The reversal of 222501224 is 422105222.

It is a junction number, because it is equal to n+sod(n) for n = 222501196 and 222501205.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41042 + ... + 46145.

It is an arithmetic number, because the mean of its divisors is an integer number (14712975).

Almost surely, 2^222501224 is an apocalyptic number.

It is an amenable number.

222501224 is an abundant number, since it is smaller than the sum of its proper divisors (248313976).

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

222501224 is a wasteful number, since it uses less digits than its factorization.

222501224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87233 (or 87229 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 222501224 is about 14916.4749186931. The cubic root of 222501224 is about 605.9602482030.

Adding to 222501224 its reverse (422105222), we get a palindrome (644606446).

The spelling of 222501224 in words is "two hundred twenty-two million, five hundred one thousand, two hundred twenty-four".