22522344 has 64 divisors (see below), whose sum is σ = 62307840. Its totient is φ = 6739200.

The previous prime is 22522327. The next prime is 22522349. The reversal of 22522344 is 44322522.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (22522349) 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, 10569 + ... + 12519.

It is an arithmetic number, because the mean of its divisors is an integer number (973560).

Almost surely, 2^22522344 is an apocalyptic number.

22522344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22522344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31153920).

22522344 is an abundant number, since it is smaller than the sum of its proper divisors (39785496).

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

22522344 is a wasteful number, since it uses less digits than its factorization.

22522344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2010 (or 2006 counting only the distinct ones).

The product of its digits is 3840, while the sum is 24.

The square root of 22522344 is about 4745.7711702104. The cubic root of 22522344 is about 282.4042288982.

Adding to 22522344 its reverse (44322522), we get a palindrome (66844866).

The spelling of 22522344 in words is "twenty-two million, five hundred twenty-two thousand, three hundred forty-four".