22757274 has 20 divisors (see below), whose sum is σ = 50993514. Its totient is φ = 7585704.

The previous prime is 22757249. The next prime is 22757297. The reversal of 22757274 is 47275722.

It can be written as a sum of positive squares in only one way, i.e., 22325625 + 431649 = 4725^2 + 657^2 .

It is a super-2 number, since 2×22757274² = 1035787039822152, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 70077 + ... + 70400.

Almost surely, 2^22757274 is an apocalyptic number.

22757274 is an abundant number, since it is smaller than the sum of its proper divisors (28236240).

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

22757274 is a wasteful number, since it uses less digits than its factorization.

22757274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140491 (or 140482 counting only the distinct ones).

The product of its digits is 54880, while the sum is 36.

The square root of 22757274 is about 4770.4584685332. The cubic root of 22757274 is about 283.3827515493.

The spelling of 22757274 in words is "twenty-two million, seven hundred fifty-seven thousand, two hundred seventy-four".