220361224 has 48 divisors (see below), whose sum is σ = 432781020. Its totient is φ = 105123840.

The previous prime is 220361213. The next prime is 220361269. The reversal of 220361224 is 422163022.

It can be written as a sum of positive squares in 2 ways, for example, as 184144900 + 36216324 = 13570^2 + 6018^2 .

It is a junction number, because it is equal to n+sod(n) for n = 220361195 and 220361204.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1141672 + ... + 1141864.

Almost surely, 2^220361224 is an apocalyptic number.

It is an amenable number.

220361224 is a deficient number, since it is larger than the sum of its proper divisors (212419796).

220361224 is a wasteful number, since it uses less digits than its factorization.

220361224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 220361224 is about 14844.5688384675. The cubic root of 220361224 is about 604.0112931532.

The spelling of 220361224 in words is "two hundred twenty million, three hundred sixty-one thousand, two hundred twenty-four".