669344122 has 16 divisors (see below), whose sum is σ = 1071748800. Its totient is φ = 312590880.

The previous prime is 669344119. The next prime is 669344153. The reversal of 669344122 is 221443966.

It is a happy 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, 121347 + ... + 126742.

It is an arithmetic number, because the mean of its divisors is an integer number (66984300).

Almost surely, 2^669344122 is an apocalyptic number.

669344122 is a deficient number, since it is larger than the sum of its proper divisors (402404678).

669344122 is a wasteful number, since it uses less digits than its factorization.

669344122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248181.

The product of its digits is 62208, while the sum is 37.

The square root of 669344122 is about 25871.6857201072. The cubic root of 669344122 is about 874.7483889337.

The spelling of 669344122 in words is "six hundred sixty-nine million, three hundred forty-four thousand, one hundred twenty-two".