22297974 has 16 divisors (see below), whose sum is σ = 44643312. Its totient is φ = 7424768.

The previous prime is 22297969. The next prime is 22297981. The reversal of 22297974 is 47979222.

It is a congruent number.

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, 8122 + ... + 10514.

It is an arithmetic number, because the mean of its divisors is an integer number (2790207).

Almost surely, 2^22297974 is an apocalyptic number.

22297974 is an abundant number, since it is smaller than the sum of its proper divisors (22345338).

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

22297974 is a wasteful number, since it uses less digits than its factorization.

22297974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3951.

The product of its digits is 127008, while the sum is 42.

The square root of 22297974 is about 4722.0730616965. The cubic root of 22297974 is about 281.4633170800.

The spelling of 22297974 in words is "twenty-two million, two hundred ninety-seven thousand, nine hundred seventy-four".