2622660 has 24 divisors (see below), whose sum is σ = 7343616. Its totient is φ = 699360.

The previous prime is 2622637. The next prime is 2622679. The reversal of 2622660 is 662262.

It is a self number, because there is not a number n which added to its sum of digits gives 2622660.

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, 21796 + ... + 21915.

It is an arithmetic number, because the mean of its divisors is an integer number (305984).

2^2622660 is an apocalyptic number.

2622660 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2622660 is an abundant number, since it is smaller than the sum of its proper divisors (4720956).

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

2622660 is a wasteful number, since it uses less digits than its factorization.

2622660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43723 (or 43721 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 2622660 is about 1619.4628739184. The cubic root of 2622660 is about 137.9052069026.

The spelling of 2622660 in words is "two million, six hundred twenty-two thousand, six hundred sixty".