665162222 has 16 divisors (see below), whose sum is σ = 1065052800. Its totient is φ = 310637880.

The previous prime is 665162219. The next prime is 665162261. The reversal of 665162222 is 222261566.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 120572 + ... + 125967.

It is an arithmetic number, because the mean of its divisors is an integer number (66565800).

Almost surely, 2^665162222 is an apocalyptic number.

665162222 is a deficient number, since it is larger than the sum of its proper divisors (399890578).

665162222 is a wasteful number, since it uses less digits than its factorization.

665162222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246631.

The product of its digits is 17280, while the sum is 32.

The square root of 665162222 is about 25790.7390743267. The cubic root of 665162222 is about 872.9228430747.

The spelling of 665162222 in words is "six hundred sixty-five million, one hundred sixty-two thousand, two hundred twenty-two".