22436557090 has 16 divisors (see below), whose sum is σ = 40390059960. Its totient is φ = 8973676800.

The previous prime is 22436557079. The next prime is 22436557097. The reversal of 22436557090 is 9075563422.

It can be written as a sum of positive squares in 4 ways, for example, as 16524331209 + 5912225881 = 128547^2 + 76891^2 .

It is not an unprimeable number, because it can be changed into a prime (22436557097) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14295 + ... + 212314.

Almost surely, 2^22436557090 is an apocalyptic number.

22436557090 is a deficient number, since it is larger than the sum of its proper divisors (17953502870).

22436557090 is a wasteful number, since it uses less digits than its factorization.

22436557090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236517.

The product of its (nonzero) digits is 453600, while the sum is 43.

The spelling of 22436557090 in words is "twenty-two billion, four hundred thirty-six million, five hundred fifty-seven thousand, ninety".