22626604 has 48 divisors (see below), whose sum is σ = 53174016. Its totient is φ = 8136000.

The previous prime is 22626589. The next prime is 22626607. The reversal of 22626604 is 40662622.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is not an unprimeable number, because it can be changed into a prime (22626607) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1179 + ... + 6829.

It is an arithmetic number, because the mean of its divisors is an integer number (1107792).

Almost surely, 2^22626604 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22626604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26587008).

22626604 is an abundant number, since it is smaller than the sum of its proper divisors (30547412).

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

22626604 is a wasteful number, since it uses less digits than its factorization.

22626604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5686 (or 5684 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 22626604 is about 4756.7430033585. The cubic root of 22626604 is about 282.8393249425.

It can be divided in two parts, 22 and 626604, that added together give a palindrome (626626).

The spelling of 22626604 in words is "twenty-two million, six hundred twenty-six thousand, six hundred four".