667117022 has 24 divisors (see below), whose sum is σ = 1182084840. Its totient is φ = 279907680.

The previous prime is 667116913. The next prime is 667117039. The reversal of 667117022 is 220711766.

It is a self number, because there is not a number n which added to its sum of digits gives 667117022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 85997 + ... + 93432.

It is an arithmetic number, because the mean of its divisors is an integer number (49253535).

Almost surely, 2^667117022 is an apocalyptic number.

667117022 is a deficient number, since it is larger than the sum of its proper divisors (514967818).

667117022 is a wasteful number, since it uses less digits than its factorization.

667117022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179468 (or 179455 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 667117022 is about 25828.6085958961. The cubic root of 667117022 is about 873.7771312687. Note that the first 3 decimals are identical.

Adding to 667117022 its reverse (220711766), we get a palindrome (887828788).

The spelling of 667117022 in words is "six hundred sixty-seven million, one hundred seventeen thousand, twenty-two".