22444412 has 18 divisors (see below), whose sum is σ = 41063568. Its totient is φ = 10733272.

The previous prime is 22444393. The next prime is 22444423. The reversal of 22444412 is 21444422.

It is a Harshad number since it is a multiple of its sum of digits (23).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3188 + ... + 7419.

Almost surely, 2^22444412 is an apocalyptic number.

It is an amenable number.

22444412 is a deficient number, since it is larger than the sum of its proper divisors (18619156).

22444412 is a wasteful number, since it uses less digits than its factorization.

22444412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10657 (or 10632 counting only the distinct ones).

The product of its digits is 2048, while the sum is 23.

The square root of 22444412 is about 4737.5533770080. The cubic root of 22444412 is about 282.0781266692.

Adding to 22444412 its reverse (21444422), we get a palindrome (43888834).

The spelling of 22444412 in words is "twenty-two million, four hundred forty-four thousand, four hundred twelve".