22274988 has 24 divisors (see below), whose sum is σ = 53652480. Its totient is φ = 7185360.

The previous prime is 22274977. The next prime is 22275031. The reversal of 22274988 is 88947222.

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, 29568 + ... + 30311.

It is an arithmetic number, because the mean of its divisors is an integer number (2235520).

Almost surely, 2^22274988 is an apocalyptic number.

It is an amenable number.

22274988 is an abundant number, since it is smaller than the sum of its proper divisors (31377492).

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

22274988 is a wasteful number, since it uses less digits than its factorization.

22274988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59917 (or 59915 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 22274988 is about 4719.6385454821. The cubic root of 22274988 is about 281.3665677790.

The spelling of 22274988 in words is "twenty-two million, two hundred seventy-four thousand, nine hundred eighty-eight".