22044102012 has 72 divisors (see below), whose sum is σ = 56455198800. Its totient is φ = 7251959808.

The previous prime is 22044102007. The next prime is 22044102019. The reversal of 22044102012 is 21020144022.

22044102012 is a `hidden beast` number, since 2 + 20 + 441 + 0 + 201 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22044102019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 997539 + ... + 1019397.

Almost surely, 2^22044102012 is an apocalyptic number.

It is an amenable number.

22044102012 is an abundant number, since it is smaller than the sum of its proper divisors (34411096788).

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

22044102012 is a wasteful number, since it uses less digits than its factorization.

22044102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22235 (or 22230 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22044102012 its reverse (21020144022), we get a palindrome (43064246034).

The spelling of 22044102012 in words is "twenty-two billion, forty-four million, one hundred two thousand, twelve".