22565474 has 8 divisors (see below), whose sum is σ = 33868368. Its totient is φ = 11276020.

The previous prime is 22565467. The next prime is 22565479. The reversal of 22565474 is 47456522.

It is a sphenic number, since it is the product of 3 distinct primes.

22565474 is a Rhonda number in base 10.

Its product of digits (67200) is a multiple of the sum of its prime divisors (6720).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22565479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5009 + ... + 8379.

It is an arithmetic number, because the mean of its divisors is an integer number (4233546).

Almost surely, 2^22565474 is an apocalyptic number.

22565474 is a deficient number, since it is larger than the sum of its proper divisors (11302894).

22565474 is a wasteful number, since it uses less digits than its factorization.

22565474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6720.

The product of its digits is 67200, while the sum is 35.

The square root of 22565474 is about 4750.3130423163. The cubic root of 22565474 is about 282.5843807768.

The spelling of 22565474 in words is "twenty-two million, five hundred sixty-five thousand, four hundred seventy-four".