122722666157 has 8 divisors (see below), whose sum is σ = 151043281536. Its totient is φ = 97099252272.

The previous prime is 122722666147. The next prime is 122722666163. The reversal of 122722666157 is 751666227221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 122722666157 - 2²⁰ = 122721617581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122722666147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 674300273 + ... + 674300454.

It is an arithmetic number, because the mean of its divisors is an integer number (18880410192).

Almost surely, 2^122722666157 is an apocalyptic number.

It is an amenable number.

122722666157 is a deficient number, since it is larger than the sum of its proper divisors (28320615379).

122722666157 is a wasteful number, since it uses less digits than its factorization.

122722666157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348600747.

The product of its digits is 846720, while the sum is 47.

The spelling of 122722666157 in words is "one hundred twenty-two billion, seven hundred twenty-two million, six hundred sixty-six thousand, one hundred fifty-seven".