220958224 has 40 divisors (see below), whose sum is σ = 434079360. Its totient is φ = 108950400.

The previous prime is 220958203. The next prime is 220958237. The reversal of 220958224 is 422859022.

It is a self number, because there is not a number n which added to its sum of digits gives 220958224.

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, 567822 + ... + 568210.

It is an arithmetic number, because the mean of its divisors is an integer number (10851984).

Almost surely, 2^220958224 is an apocalyptic number.

It is an amenable number.

220958224 is a deficient number, since it is larger than the sum of its proper divisors (213121136).

220958224 is a wasteful number, since it uses less digits than its factorization.

220958224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799 (or 793 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 220958224 is about 14864.6636019790. The cubic root of 220958224 is about 604.5562613726.

The spelling of 220958224 in words is "two hundred twenty million, nine hundred fifty-eight thousand, two hundred twenty-four".