22205244163165 has 32 divisors (see below), whose sum is σ = 30531237177600. Its totient is φ = 15187291789824.

The previous prime is 22205244163163. The next prime is 22205244163211. The reversal of 22205244163165 is 56136144250222.

It is not a de Polignac number, because 22205244163165 - 2¹ = 22205244163163 is a prime.

It is a super-2 number, since 2×22205244163165² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22205244163163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 390407169 + ... + 390464041.

It is an arithmetic number, because the mean of its divisors is an integer number (954101161800).

Almost surely, 2^{22205244163165} is an apocalyptic number.

It is an amenable number.

22205244163165 is a deficient number, since it is larger than the sum of its proper divisors (8325993014435).

22205244163165 is a wasteful number, since it uses less digits than its factorization.

22205244163165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85381.

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 22205244163165 in words is "twenty-two trillion, two hundred five billion, two hundred forty-four million, one hundred sixty-three thousand, one hundred sixty-five".