222913224 has 24 divisors (see below), whose sum is σ = 603723510. Its totient is φ = 74304384.

The previous prime is 222913213. The next prime is 222913241. The reversal of 222913224 is 422319222.

It can be written as a sum of positive squares in only one way, i.e., 117029124 + 105884100 = 10818^2 + 10290^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1547937 + ... + 1548080.

Almost surely, 2^222913224 is an apocalyptic number.

222913224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

222913224 is an abundant number, since it is smaller than the sum of its proper divisors (380810286).

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

222913224 is a wasteful number, since it uses less digits than its factorization.

222913224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3096029 (or 3096022 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 222913224 is about 14930.2787649796. The cubic root of 222913224 is about 606.3340314455.

The spelling of 222913224 in words is "two hundred twenty-two million, nine hundred thirteen thousand, two hundred twenty-four".