22226188 has 12 divisors (see below), whose sum is σ = 40587120. Its totient is φ = 10629872.

The previous prime is 22226177. The next prime is 22226201. The reversal of 22226188 is 88162222.

It is a super-2 number, since 2×22226188² = 988006866022688, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120703 + ... + 120886.

It is an arithmetic number, because the mean of its divisors is an integer number (3382260).

Almost surely, 2^22226188 is an apocalyptic number.

It is an amenable number.

22226188 is a deficient number, since it is larger than the sum of its proper divisors (18360932).

22226188 is a wasteful number, since it uses less digits than its factorization.

22226188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241616 (or 241614 counting only the distinct ones).

The product of its digits is 6144, while the sum is 31.

The square root of 22226188 is about 4714.4658233993. The cubic root of 22226188 is about 281.1609451051.

The spelling of 22226188 in words is "twenty-two million, two hundred twenty-six thousand, one hundred eighty-eight".