6669522 has 12 divisors (see below), whose sum is σ = 14450670. Its totient is φ = 2223168.

The previous prime is 6669521. The next prime is 6669541. The reversal of 6669522 is 2259666.

It can be written as a sum of positive squares in only one way, i.e., 5948721 + 720801 = 2439^2 + 849^2 .

It is not an unprimeable number, because it can be changed into a prime (6669521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 185247 + ... + 185282.

Almost surely, 2^6669522 is an apocalyptic number.

6669522 is an abundant number, since it is smaller than the sum of its proper divisors (7781148).

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

6669522 is a wasteful number, since it uses less digits than its factorization.

6669522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370537 (or 370534 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 6669522 is about 2582.5417712014. The cubic root of 6669522 is about 188.2340716564.

The spelling of 6669522 in words is "six million, six hundred sixty-nine thousand, five hundred twenty-two".