167222979 has 24 divisors (see below), whose sum is σ = 301147392. Its totient is φ = 86868720.

The previous prime is 167222953. The next prime is 167222981. The reversal of 167222979 is 979222761.

It is not a de Polignac number, because 167222979 - 2⁵ = 167222947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (167222929) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 119959 + ... + 121344.

It is an arithmetic number, because the mean of its divisors is an integer number (12547808).

Almost surely, 2^167222979 is an apocalyptic number.

167222979 is a deficient number, since it is larger than the sum of its proper divisors (133924413).

167222979 is a wasteful number, since it uses less digits than its factorization.

167222979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241327 (or 241324 counting only the distinct ones).

The product of its digits is 190512, while the sum is 45.

The square root of 167222979 is about 12931.4724219634. The cubic root of 167222979 is about 550.9328290992.

It can be divided in two parts, 16722 and 2979, that added together give a triangular number (19701 = T₁₉₈).

The spelling of 167222979 in words is "one hundred sixty-seven million, two hundred twenty-two thousand, nine hundred seventy-nine".