669126224 has 40 divisors (see below), whose sum is σ = 1397723040. Its totient is φ = 308481408.

The previous prime is 669126209. The next prime is 669126229. The reversal of 669126224 is 422621966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (669126229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 335759 + ... + 337745.

It is an arithmetic number, because the mean of its divisors is an integer number (34943076).

Almost surely, 2^669126224 is an apocalyptic number.

It is an amenable number.

669126224 is an abundant number, since it is smaller than the sum of its proper divisors (728596816).

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

669126224 is a wasteful number, since it uses less digits than its factorization.

669126224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3627 (or 3621 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 669126224 is about 25867.4742485616. The cubic root of 669126224 is about 874.6534568924.

The spelling of 669126224 in words is "six hundred sixty-nine million, one hundred twenty-six thousand, two hundred twenty-four".