22626044 has 36 divisors (see below), whose sum is σ = 46347840. Its totient is φ = 9636480.

The previous prime is 22626029. The next prime is 22626047. The reversal of 22626044 is 44062622.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22626047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46997 + ... + 47475.

It is an arithmetic number, because the mean of its divisors is an integer number (1287440).

Almost surely, 2^22626044 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 22626044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23173920).

22626044 is an abundant number, since it is smaller than the sum of its proper divisors (23721796).

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

22626044 is a wasteful number, since it uses less digits than its factorization.

22626044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 738 (or 729 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 22626044 is about 4756.6841391877. The cubic root of 22626044 is about 282.8369915340.

Adding to 22626044 its reverse (44062622), we get a palindrome (66688666).

The spelling of 22626044 in words is "twenty-two million, six hundred twenty-six thousand, forty-four".