667488022 has 4 divisors (see below), whose sum is σ = 1001232036. Its totient is φ = 333744010.

The previous prime is 667488013. The next prime is 667488023. The reversal of 667488022 is 220884766.

667488022 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 667488022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (667488023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166872004 + ... + 166872007.

It is an arithmetic number, because the mean of its divisors is an integer number (250308009).

Almost surely, 2^667488022 is an apocalyptic number.

667488022 is a deficient number, since it is larger than the sum of its proper divisors (333744014).

667488022 is a wasteful number, since it uses less digits than its factorization.

667488022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333744013.

The product of its (nonzero) digits is 258048, while the sum is 43.

The square root of 667488022 is about 25835.7895563499. The cubic root of 667488022 is about 873.9390774893.

The spelling of 667488022 in words is "six hundred sixty-seven million, four hundred eighty-eight thousand, twenty-two".