22152747621571 has 16 divisors (see below), whose sum is σ = 25325520256000. Its totient is φ = 18981999338688.

The previous prime is 22152747621503. The next prime is 22152747621619. The reversal of 22152747621571 is 17512674725122.

It is a cyclic number.

It is not a de Polignac number, because 22152747621571 - 2⁷ = 22152747621443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22152747621371) 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, 577943935 + ... + 577982263.

It is an arithmetic number, because the mean of its divisors is an integer number (1582845016000).

Almost surely, 2^{22152747621571} is an apocalyptic number.

22152747621571 is a deficient number, since it is larger than the sum of its proper divisors (3172772634429).

22152747621571 is a wasteful number, since it uses less digits than its factorization.

22152747621571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62578.

The product of its digits is 3292800, while the sum is 52.

The spelling of 22152747621571 in words is "twenty-two trillion, one hundred fifty-two billion, seven hundred forty-seven million, six hundred twenty-one thousand, five hundred seventy-one".