22615044454663 has 16 divisors (see below), whose sum is σ = 23116406990976. Its totient is φ = 22118232313440.

The previous prime is 22615044454627. The next prime is 22615044454679. The reversal of 22615044454663 is 36645444051622.

It is a cyclic number.

It is not a de Polignac number, because 22615044454663 - 2²¹ = 22615042357511 is a prime.

It is a super-2 number, since 2×22615044454663² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22615044454663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22615044454603) 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, 6659220 + ... + 9464422.

It is an arithmetic number, because the mean of its divisors is an integer number (1444775436936).

Almost surely, 2^{22615044454663} is an apocalyptic number.

22615044454663 is a deficient number, since it is larger than the sum of its proper divisors (501362536313).

22615044454663 is a wasteful number, since it uses less digits than its factorization.

22615044454663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2806014.

The product of its (nonzero) digits is 16588800, while the sum is 52.

The spelling of 22615044454663 in words is "twenty-two trillion, six hundred fifteen billion, forty-four million, four hundred fifty-four thousand, six hundred sixty-three".