667874022 has 32 divisors (see below), whose sum is σ = 1368736512. Its totient is φ = 217141344.

The previous prime is 667874017. The next prime is 667874027. The reversal of 667874022 is 220478766.

It is an interprime number because it is at equal distance from previous prime (667874017) and next prime (667874027).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667874027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248148 + ... + 250824.

It is an arithmetic number, because the mean of its divisors is an integer number (42773016).

Almost surely, 2^667874022 is an apocalyptic number.

667874022 is an abundant number, since it is smaller than the sum of its proper divisors (700862490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

667874022 is a wasteful number, since it uses less digits than its factorization.

667874022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3692.

The product of its (nonzero) digits is 225792, while the sum is 42.

The square root of 667874022 is about 25843.2587341457. The cubic root of 667874022 is about 874.1075077167.

The spelling of 667874022 in words is "six hundred sixty-seven million, eight hundred seventy-four thousand, twenty-two".