6622406 has 16 divisors (see below), whose sum is σ = 11719680. Its totient is φ = 2746440.

The previous prime is 6622391. The next prime is 6622423. The reversal of 6622406 is 6042266.

It is a super-2 number, since 2×6622406² = 87712522457672, which contains 22 as substring.

It is a Curzon number.

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, 7196 + ... + 8063.

It is an arithmetic number, because the mean of its divisors is an integer number (732480).

Almost surely, 2^6622406 is an apocalyptic number.

6622406 is a deficient number, since it is larger than the sum of its proper divisors (5097274).

6622406 is a wasteful number, since it uses less digits than its factorization.

6622406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15299.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 6622406 is about 2573.4035828062. The cubic root of 6622406 is about 187.7897717935.

The spelling of 6622406 in words is "six million, six hundred twenty-two thousand, four hundred six".