6621227204 has 24 divisors (see below), whose sum is σ = 11860500960. Its totient is φ = 3232563264.

The previous prime is 6621227159. The next prime is 6621227209. The reversal of 6621227204 is 4027221266.

It is not an unprimeable number, because it can be changed into a prime (6621227209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 887072 + ... + 894504.

It is an arithmetic number, because the mean of its divisors is an integer number (494187540).

Almost surely, 2^6621227204 is an apocalyptic number.

It is an amenable number.

6621227204 is a deficient number, since it is larger than the sum of its proper divisors (5239273756).

6621227204 is a wasteful number, since it uses less digits than its factorization.

6621227204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12659 (or 12657 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 6621227204 is about 81370.9235783889. The cubic root of 6621227204 is about 1877.7862886607.

The spelling of 6621227204 in words is "six billion, six hundred twenty-one million, two hundred twenty-seven thousand, two hundred four".