22244412 has 12 divisors (see below), whose sum is σ = 51903656. Its totient is φ = 7414800.

The previous prime is 22244401. The next prime is 22244413. The reversal of 22244412 is 21444222.

It is a tau number, because it is divible by the number of its divisors (12).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22244413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 926839 + ... + 926862.

Almost surely, 2^22244412 is an apocalyptic number.

It is an amenable number.

22244412 is an abundant number, since it is smaller than the sum of its proper divisors (29659244).

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

22244412 is a wasteful number, since it uses less digits than its factorization.

22244412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1853708 (or 1853706 counting only the distinct ones).

The product of its digits is 1024, while the sum is 21.

The square root of 22244412 is about 4716.3982020181. The cubic root of 22244412 is about 281.2377685545.

Adding to 22244412 its reverse (21444222), we get a palindrome (43688634).

The spelling of 22244412 in words is "twenty-two million, two hundred forty-four thousand, four hundred twelve".