22542344 has 16 divisors (see below), whose sum is σ = 46109520. Its totient is φ = 10246480.

The previous prime is 22542343. The next prime is 22542353. The reversal of 22542344 is 44324522.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22542343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127994 + ... + 128169.

It is an arithmetic number, because the mean of its divisors is an integer number (2881845).

Almost surely, 2^22542344 is an apocalyptic number.

It is an amenable number.

22542344 is an abundant number, since it is smaller than the sum of its proper divisors (23567176).

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

22542344 is a wasteful number, since it uses less digits than its factorization.

22542344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256180 (or 256176 counting only the distinct ones).

The product of its digits is 7680, while the sum is 26.

The square root of 22542344 is about 4747.8778417310. The cubic root of 22542344 is about 282.4877964812.

Adding to 22542344 its reverse (44324522), we get a palindrome (66866866).

The spelling of 22542344 in words is "twenty-two million, five hundred forty-two thousand, three hundred forty-four".