669737022 has 8 divisors (see below), whose sum is σ = 1339474056. Its totient is φ = 223245672.

The previous prime is 669737011. The next prime is 669737027. The reversal of 669737022 is 220737966.

It is a sphenic number, since it is the product of 3 distinct primes.

669737022 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669737027) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 55811413 + ... + 55811424.

It is an arithmetic number, because the mean of its divisors is an integer number (167434257).

Almost surely, 2^669737022 is an apocalyptic number.

669737022 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

669737022 is a wasteful number, since it uses less digits than its factorization.

669737022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111622842.

The product of its (nonzero) digits is 190512, while the sum is 42.

The square root of 669737022 is about 25879.2778492755. The cubic root of 669737022 is about 874.9195123788.

The spelling of 669737022 in words is "six hundred sixty-nine million, seven hundred thirty-seven thousand, twenty-two".