22244021244 has 72 divisors (see below), whose sum is σ = 56914166400. Its totient is φ = 7324735392.

The previous prime is 22244021237. The next prime is 22244021269. The reversal of 22244021244 is 44212044222.

22244021244 is a `hidden beast` number, since 2 + 2 + 2 + 440 + 212 + 4 + 4 = 666.

It is a super-2 number, since 2×22244021244² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 968607 + ... + 991305.

Almost surely, 2^22244021244 is an apocalyptic number.

It is an amenable number.

22244021244 is an abundant number, since it is smaller than the sum of its proper divisors (34670145156).

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

22244021244 is a wasteful number, since it uses less digits than its factorization.

22244021244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23039 (or 23034 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 27.

Adding to 22244021244 its reverse (44212044222), we get a palindrome (66456065466).

The spelling of 22244021244 in words is "twenty-two billion, two hundred forty-four million, twenty-one thousand, two hundred forty-four".