22845717904 has 45 divisors (see below), whose sum is σ = 45877750113. Its totient is φ = 11020502976.

The previous prime is 22845717901. The next prime is 22845717919. The reversal of 22845717904 is 40971754822.

The square root of 22845717904 is 151148.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 11979740304 + 10865977600 = 109452^2 + 104240^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22845717901) by changing a digit.

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, 17532517 + ... + 17533819.

Almost surely, 2^22845717904 is an apocalyptic number.

22845717904 is the 151148-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22845717904

22845717904 is an abundant number, since it is smaller than the sum of its proper divisors (23032032209).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22845717904 is an frugal number, since it uses more digits than its factorization.

22845717904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2672 (or 1334 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 49.

Multiplying 22845717904 by its sum of digits (49), we get a square (1119440177296 = 1058036²).

The spelling of 22845717904 in words is "twenty-two billion, eight hundred forty-five million, seven hundred seventeen thousand, nine hundred four".