22538474 has 16 divisors (see below), whose sum is σ = 39460608. Its totient is φ = 9453552.

The previous prime is 22538473. The next prime is 22538491. The reversal of 22538474 is 47483522.

It is not an unprimeable number, because it can be changed into a prime (22538471) 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, 16469 + ... + 17784.

It is an arithmetic number, because the mean of its divisors is an integer number (2466288).

Almost surely, 2^22538474 is an apocalyptic number.

22538474 is a deficient number, since it is larger than the sum of its proper divisors (16922134).

22538474 is a wasteful number, since it uses less digits than its factorization.

22538474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34309.

The product of its digits is 53760, while the sum is 35.

The square root of 22538474 is about 4747.4702737353. The cubic root of 22538474 is about 282.4716300119.

The spelling of 22538474 in words is "twenty-two million, five hundred thirty-eight thousand, four hundred seventy-four".