22126344 has 16 divisors (see below), whose sum is σ = 55315920. Its totient is φ = 7375440.

The previous prime is 22126339. The next prime is 22126397. The reversal of 22126344 is 44362122.

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 921931 = 22126344 / (2 + 2 + 1 + 2 + 6 + 3 + 4 + 4).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 460942 + ... + 460989.

It is an arithmetic number, because the mean of its divisors is an integer number (3457245).

Almost surely, 2^22126344 is an apocalyptic number.

22126344 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22126344 is an abundant number, since it is smaller than the sum of its proper divisors (33189576).

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

22126344 is a wasteful number, since it uses less digits than its factorization.

22126344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 921940 (or 921936 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 22126344 is about 4703.8647939753. The cubic root of 22126344 is about 280.7393047443.

Adding to 22126344 its reverse (44362122), we get a palindrome (66488466).

It can be divided in two parts, 221 and 26344, that added together give a triangular number (26565 = T₂₃₀).

The spelling of 22126344 in words is "twenty-two million, one hundred twenty-six thousand, three hundred forty-four".