22953474 has 12 divisors (see below), whose sum is σ = 49732566. Its totient is φ = 7651152.

The previous prime is 22953439. The next prime is 22953479. The reversal of 22953474 is 47435922.

It can be written as a sum of positive squares in only one way, i.e., 12552849 + 10400625 = 3543^2 + 3225^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (22953479) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 637579 + ... + 637614.

Almost surely, 2^22953474 is an apocalyptic number.

22953474 is an abundant number, since it is smaller than the sum of its proper divisors (26779092).

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

22953474 is a wasteful number, since it uses less digits than its factorization.

22953474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1275201 (or 1275198 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 22953474 is about 4790.9783969457. The cubic root of 22953474 is about 284.1948094731.

The spelling of 22953474 in words is "twenty-two million, nine hundred fifty-three thousand, four hundred seventy-four".