22585122 has 64 divisors (see below), whose sum is σ = 57888000. Its totient is φ = 6393600.

The previous prime is 22585111. The next prime is 22585151. The reversal of 22585122 is 22158522.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56122 + ... + 56522.

It is an arithmetic number, because the mean of its divisors is an integer number (904500).

Almost surely, 2^22585122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22585122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28944000).

22585122 is an abundant number, since it is smaller than the sum of its proper divisors (35302878).

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

22585122 is a wasteful number, since it uses less digits than its factorization.

22585122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568 (or 562 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 22585122 is about 4752.3806665712. The cubic root of 22585122 is about 282.6663734002. Note that the first 3 decimals are identical.

The spelling of 22585122 in words is "twenty-two million, five hundred eighty-five thousand, one hundred twenty-two".