6641622 has 32 divisors (see below), whose sum is σ = 15896160. Its totient is φ = 2043360.

The previous prime is 6641587. The next prime is 6641633. The reversal of 6641622 is 2261466.

It is a happy number.

It is a super-2 number, since 2×6641622² = 88222285581768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4029 + ... + 5432.

It is an arithmetic number, because the mean of its divisors is an integer number (496755).

Almost surely, 2^6641622 is an apocalyptic number.

6641622 is an abundant number, since it is smaller than the sum of its proper divisors (9254538).

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

6641622 is a wasteful number, since it uses less digits than its factorization.

6641622 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9485 (or 9479 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 6641622 is about 2577.1344551653. The cubic root of 6641622 is about 187.9712306965.

The spelling of 6641622 in words is "six million, six hundred forty-one thousand, six hundred twenty-two".