22212550544 has 20 divisors (see below), whose sum is σ = 43058090460. Its totient is φ = 11100785280.

The previous prime is 22212550517. The next prime is 22212550567. The reversal of 22212550544 is 44505521222.

It can be written as a sum of positive squares in 2 ways, for example, as 16457810944 + 5754739600 = 128288^2 + 75860^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22212550544.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 309647 + ... + 374574.

It is an arithmetic number, because the mean of its divisors is an integer number (2152904523).

Almost surely, 2^22212550544 is an apocalyptic number.

It is an amenable number.

22212550544 is a deficient number, since it is larger than the sum of its proper divisors (20845539916).

22212550544 is a wasteful number, since it uses less digits than its factorization.

22212550544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686258 (or 686252 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 32.

The spelling of 22212550544 in words is "twenty-two billion, two hundred twelve million, five hundred fifty thousand, five hundred forty-four".