22496598728 has 36 divisors (see below), whose sum is σ = 44533983195. Its totient is φ = 10652465520.

The previous prime is 22496598679. The next prime is 22496598757. The reversal of 22496598728 is 82789569422.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 11248299364 + 11248299364 = 106058^2 + 106058^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=106058.

It is a Duffinian number.

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 8 ways as a sum of consecutive naturals, for example, 8059013 + ... + 8061803.

Almost surely, 2^22496598728 is an apocalyptic number.

It is an amenable number.

22496598728 is a deficient number, since it is larger than the sum of its proper divisors (22037384467).

22496598728 is an frugal number, since it uses more digits than its factorization.

22496598728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5626 (or 2812 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 62.

The spelling of 22496598728 in words is "twenty-two billion, four hundred ninety-six million, five hundred ninety-eight thousand, seven hundred twenty-eight".