6622872 has 32 divisors (see below), whose sum is σ = 16718400. Its totient is φ = 2186144.

The previous prime is 6622867. The next prime is 6622897. The reversal of 6622872 is 2782266.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1279 + ... + 3857.

It is an arithmetic number, because the mean of its divisors is an integer number (522450).

Almost surely, 2^6622872 is an apocalyptic number.

It is an amenable number.

6622872 is an abundant number, since it is smaller than the sum of its proper divisors (10095528).

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

6622872 is a wasteful number, since it uses less digits than its factorization.

6622872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2695 (or 2691 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 6622872 is about 2573.4941227833. The cubic root of 6622872 is about 187.7941764354.

Subtracting from 6622872 its reverse (2782266), we obtain a triangular number (3840606 = T₂₇₇₁).

The spelling of 6622872 in words is "six million, six hundred twenty-two thousand, eight hundred seventy-two".