22552244 has 48 divisors (see below), whose sum is σ = 46992960. Its totient is φ = 9335040.

The previous prime is 22552241. The next prime is 22552261. The reversal of 22552244 is 44225522.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22552241) 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, 50687 + ... + 51129.

It is an arithmetic number, because the mean of its divisors is an integer number (979020).

Almost surely, 2^22552244 is an apocalyptic number.

It is an amenable number.

22552244 is an abundant number, since it is smaller than the sum of its proper divisors (24440716).

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

22552244 is a wasteful number, since it uses less digits than its factorization.

22552244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560 (or 558 counting only the distinct ones).

The product of its digits is 6400, while the sum is 26.

The square root of 22552244 is about 4748.9202983415. The cubic root of 22552244 is about 282.5291441465.

Adding to 22552244 its reverse (44225522), we get a palindrome (66777766).

The spelling of 22552244 in words is "twenty-two million, five hundred fifty-two thousand, two hundred forty-four".