669822458 has 16 divisors (see below), whose sum is σ = 1015027200. Its totient is φ = 331497936.

The previous prime is 669822451. The next prime is 669822473. The reversal of 669822458 is 854228966.

It is not an unprimeable number, because it can be changed into a prime (669822451) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74135 + ... + 82677.

It is an arithmetic number, because the mean of its divisors is an integer number (63439200).

Almost surely, 2^669822458 is an apocalyptic number.

669822458 is a deficient number, since it is larger than the sum of its proper divisors (345204742).

669822458 is a wasteful number, since it uses less digits than its factorization.

669822458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8941.

The product of its digits is 1658880, while the sum is 50.

The square root of 669822458 is about 25880.9284609343. The cubic root of 669822458 is about 874.9567142669.

The spelling of 669822458 in words is "six hundred sixty-nine million, eight hundred twenty-two thousand, four hundred fifty-eight".