22165271607597 has 16 divisors (see below), whose sum is σ = 29731130497152. Its totient is φ = 14688133007360.

The previous prime is 22165271607571. The next prime is 22165271607643. The reversal of 22165271607597 is 79570617256122.

It is a cyclic number.

It is not a de Polignac number, because 22165271607597 - 2¹⁴ = 22165271591213 is a prime.

It is a super-2 number, since 2×22165271607597² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22165271607597.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22165271607527) 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, 35227597 + ... + 35851277.

It is an arithmetic number, because the mean of its divisors is an integer number (1858195656072).

Almost surely, 2^{22165271607597} is an apocalyptic number.

It is an amenable number.

22165271607597 is a deficient number, since it is larger than the sum of its proper divisors (7565858889555).

22165271607597 is a wasteful number, since it uses less digits than its factorization.

22165271607597 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694788.

The product of its (nonzero) digits is 22226400, while the sum is 60.

The spelling of 22165271607597 in words is "twenty-two trillion, one hundred sixty-five billion, two hundred seventy-one million, six hundred seven thousand, five hundred ninety-seven".