22720896575 has 18 divisors (see below), whose sum is σ = 30507850944. Its totient is φ = 16778505120.

The previous prime is 22720896571. The next prime is 22720896683. The reversal of 22720896575 is 57569802722.

It is not a de Polignac number, because 22720896575 - 2² = 22720896571 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22720896571) 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 17 ways as a sum of consecutive naturals, for example, 2684639 + ... + 2693088.

It is an arithmetic number, because the mean of its divisors is an integer number (1694880608).

Almost surely, 2^22720896575 is an apocalyptic number.

22720896575 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

22720896575 is a deficient number, since it is larger than the sum of its proper divisors (7786954369).

22720896575 is a wasteful number, since it uses less digits than its factorization.

22720896575 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5377763 (or 5377745 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 53.

The spelling of 22720896575 in words is "twenty-two billion, seven hundred twenty million, eight hundred ninety-six thousand, five hundred seventy-five".