22123974 has 16 divisors (see below), whose sum is σ = 44301312. Its totient is φ = 7365768.

The previous prime is 22123963. The next prime is 22123979. The reversal of 22123974 is 47932122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22123979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4947 + ... + 8289.

It is an arithmetic number, because the mean of its divisors is an integer number (2768832).

Almost surely, 2^22123974 is an apocalyptic number.

22123974 is an abundant number, since it is smaller than the sum of its proper divisors (22177338).

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

22123974 is a wasteful number, since it uses less digits than its factorization.

22123974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4451.

The product of its digits is 6048, while the sum is 30.

The square root of 22123974 is about 4703.6128667228. The cubic root of 22123974 is about 280.7292808574.

The spelling of 22123974 in words is "twenty-two million, one hundred twenty-three thousand, nine hundred seventy-four".