22645231120621 has 16 divisors (see below), whose sum is σ = 23035239198720. Its totient is φ = 22258302210160.

The previous prime is 22645231120483. The next prime is 22645231120627. The reversal of 22645231120621 is 12602113254622.

It is a cyclic number.

It is not a de Polignac number, because 22645231120621 - 2²⁷ = 22645096902893 is a prime.

It is a super-3 number, since 3×22645231120621³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22645231120627) 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, 11960856 + ... + 13724158.

It is an arithmetic number, because the mean of its divisors is an integer number (1439702449920).

Almost surely, 2^{22645231120621} is an apocalyptic number.

It is an amenable number.

22645231120621 is a deficient number, since it is larger than the sum of its proper divisors (390008078099).

22645231120621 is a wasteful number, since it uses less digits than its factorization.

22645231120621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764176.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 22645231120621 in words is "twenty-two trillion, six hundred forty-five billion, two hundred thirty-one million, one hundred twenty thousand, six hundred twenty-one".