172122427673174 has 64 divisors (see below), whose sum is σ = 291993482575872. Its totient is φ = 75387677421600.

The previous prime is 172122427673159. The next prime is 172122427673177. The reversal of 172122427673174 is 471376724221271.

It is a super-2 number, since 2×172122427673174² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172122427673177) 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, 356158769 + ... + 356641715.

It is an arithmetic number, because the mean of its divisors is an integer number (4562398165248).

Almost surely, 2^{172122427673174} is an apocalyptic number.

172122427673174 is a deficient number, since it is larger than the sum of its proper divisors (119871054902698).

172122427673174 is a wasteful number, since it uses less digits than its factorization.

172122427673174 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485241.

The product of its digits is 11063808, while the sum is 56.

The spelling of 172122427673174 in words is "one hundred seventy-two trillion, one hundred twenty-two billion, four hundred twenty-seven million, six hundred seventy-three thousand, one hundred seventy-four".