6622906 has 12 divisors (see below), whose sum is σ = 10485882. Its totient is φ = 3136824.

The previous prime is 6622897. The next prime is 6622907. The reversal of 6622906 is 6092266.

It can be written as a sum of positive squares in only one way, i.e., 6579225 + 43681 = 2565^2 + 209^2 .

It is not an unprimeable number, because it can be changed into a prime (6622907) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3865 + ... + 5308.

Almost surely, 2^6622906 is an apocalyptic number.

6622906 is a deficient number, since it is larger than the sum of its proper divisors (3862976).

6622906 is a wasteful number, since it uses less digits than its factorization.

6622906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9213 (or 9194 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 6622906 is about 2573.5007285797. The cubic root of 6622906 is about 187.7944977960.

The spelling of 6622906 in words is "six million, six hundred twenty-two thousand, nine hundred six".