22210988 has 12 divisors (see below), whose sum is σ = 39153912. Its totient is φ = 11024160.

The previous prime is 22210961. The next prime is 22210997. The reversal of 22210988 is 88901222.

It is a super-2 number, since 2×22210988² = 986655975872288, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19718 + ... + 20813.

It is an arithmetic number, because the mean of its divisors is an integer number (3262826).

Almost surely, 2^22210988 is an apocalyptic number.

It is an amenable number.

22210988 is a deficient number, since it is larger than the sum of its proper divisors (16942924).

22210988 is a wasteful number, since it uses less digits than its factorization.

22210988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40672 (or 40670 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 22210988 is about 4712.8534880686. The cubic root of 22210988 is about 281.0968372315.

The spelling of 22210988 in words is "twenty-two million, two hundred ten thousand, nine hundred eighty-eight".