6622940 has 12 divisors (see below), whose sum is σ = 13908216. Its totient is φ = 2649168.

The previous prime is 6622939. The next prime is 6622961. The reversal of 6622940 is 492266.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165554 + ... + 165593.

It is an arithmetic number, because the mean of its divisors is an integer number (1159018).

Almost surely, 2^6622940 is an apocalyptic number.

It is an amenable number.

6622940 is an abundant number, since it is smaller than the sum of its proper divisors (7285276).

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

6622940 is a wasteful number, since it uses less digits than its factorization.

6622940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 331156 (or 331154 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 6622940 is about 2573.5073343591. The cubic root of 6622940 is about 187.7948191555.

The spelling of 6622940 in words is "six million, six hundred twenty-two thousand, nine hundred forty".