22765715023021 has 8 divisors (see below), whose sum is σ = 22882082208480. Its totient is φ = 22649355971088.

The previous prime is 22765715022991. The next prime is 22765715023031. The reversal of 22765715023021 is 12032051756722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22765715023021 - 2¹⁷ = 22765714891949 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 (22765715023031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3618970 + ... + 7656916.

It is an arithmetic number, because the mean of its divisors is an integer number (2860260276060).

Almost surely, 2^{22765715023021} is an apocalyptic number.

It is an amenable number.

22765715023021 is a deficient number, since it is larger than the sum of its proper divisors (116367185459).

22765715023021 is a wasteful number, since it uses less digits than its factorization.

22765715023021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4066763.

The product of its (nonzero) digits is 352800, while the sum is 43.

Adding to 22765715023021 its reverse (12032051756722), we get a palindrome (34797766779743).

The spelling of 22765715023021 in words is "twenty-two trillion, seven hundred sixty-five billion, seven hundred fifteen million, twenty-three thousand, twenty-one".