6557622 has 64 divisors (see below), whose sum is σ = 14999040. Its totient is φ = 1900800.

The previous prime is 6557569. The next prime is 6557623. The reversal of 6557622 is 2267556.

6557622 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6557623) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 107472 + ... + 107532.

It is an arithmetic number, because the mean of its divisors is an integer number (234360).

Almost surely, 2^6557622 is an apocalyptic number.

6557622 is an abundant number, since it is smaller than the sum of its proper divisors (8441418).

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

6557622 is a wasteful number, since it uses less digits than its factorization.

6557622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149.

The product of its digits is 25200, while the sum is 33.

The square root of 6557622 is about 2560.7854263878. The cubic root of 6557622 is about 187.1754099668.

The spelling of 6557622 in words is "six million, five hundred fifty-seven thousand, six hundred twenty-two".