22432728730 has 32 divisors (see below), whose sum is σ = 41783124240. Its totient is φ = 8661219840.

The previous prime is 22432728697. The next prime is 22432728733. The reversal of 22432728730 is 3782723422.

It can be written as a sum of positive squares in 8 ways, for example, as 5954128569 + 16478600161 = 77163^2 + 128369^2 .

It is not an unprimeable number, because it can be changed into a prime (22432728733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1273342 + ... + 1290838.

Almost surely, 2^22432728730 is an apocalyptic number.

22432728730 is a deficient number, since it is larger than the sum of its proper divisors (19350395510).

22432728730 is a wasteful number, since it uses less digits than its factorization.

22432728730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21954.

The product of its (nonzero) digits is 225792, while the sum is 40.

The spelling of 22432728730 in words is "twenty-two billion, four hundred thirty-two million, seven hundred twenty-eight thousand, seven hundred thirty".