22436628730 has 16 divisors (see below), whose sum is σ = 42761575080. Its totient is φ = 8446730752.

The previous prime is 22436628689. The next prime is 22436628751. The reversal of 22436628730 is 3782663422.

It can be written as a sum of positive squares in 4 ways, for example, as 14020217649 + 8416411081 = 118407^2 + 91741^2 .

It is a super-2 number, since 2×22436628730² (a number of 22 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 65989915 + ... + 65990254.

Almost surely, 2^22436628730 is an apocalyptic number.

22436628730 is a deficient number, since it is larger than the sum of its proper divisors (20324946350).

22436628730 is a wasteful number, since it uses less digits than its factorization.

22436628730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131980193.

The product of its (nonzero) digits is 580608, while the sum is 43.

The spelling of 22436628730 in words is "twenty-two billion, four hundred thirty-six million, six hundred twenty-eight thousand, seven hundred thirty".