22265166552645 has 16 divisors (see below), whose sum is σ = 35642947320000. Its totient is φ = 11868528549504.

The previous prime is 22265166552641. The next prime is 22265166552653. The reversal of 22265166552645 is 54625566156222.

It is not a de Polignac number, because 22265166552645 - 2² = 22265166552641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22265166552641) 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 15 ways as a sum of consecutive naturals, for example, 389154520 + ... + 389211729.

It is an arithmetic number, because the mean of its divisors is an integer number (2227684207500).

Almost surely, 2^{22265166552645} is an apocalyptic number.

It is an amenable number.

22265166552645 is a deficient number, since it is larger than the sum of its proper divisors (13377780767355).

22265166552645 is a wasteful number, since it uses less digits than its factorization.

22265166552645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778368164.

The product of its digits is 51840000, while the sum is 57.

The spelling of 22265166552645 in words is "twenty-two trillion, two hundred sixty-five billion, one hundred sixty-six million, five hundred fifty-two thousand, six hundred forty-five".