22344444 has 48 divisors (see below), whose sum is σ = 58203040. Its totient is φ = 7413120.

The previous prime is 22344419. The next prime is 22344451. The reversal of 22344444 is 44444322.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

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

It is a plaindrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33474 + ... + 34134.

Almost surely, 2^22344444 is an apocalyptic number.

It is an amenable number.

22344444 is an abundant number, since it is smaller than the sum of its proper divisors (35858596).

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

22344444 is a wasteful number, since it uses less digits than its factorization.

22344444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 987 (or 979 counting only the distinct ones).

The product of its digits is 12288, while the sum is 27.

The square root of 22344444 is about 4726.9910090881. The cubic root of 22344444 is about 281.6587088929.

Adding to 22344444 its reverse (44444322), we get a palindrome (66788766).

The spelling of 22344444 in words is "twenty-two million, three hundred forty-four thousand, four hundred forty-four".