6221688104 has 16 divisors (see below), whose sum is σ = 11743960500. Its totient is φ = 3089965312.

The previous prime is 6221688097. The next prime is 6221688113. The reversal of 6221688104 is 4018861226.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 5083975204 + 1137712900 = 71302^2 + 33730^2 .

It is a super-2 number, since 2×6221688104² = 77418805726910229632, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2608577 + ... + 2610960.

Almost surely, 2^6221688104 is an apocalyptic number.

It is an amenable number.

6221688104 is a deficient number, since it is larger than the sum of its proper divisors (5522272396).

6221688104 is a wasteful number, since it uses less digits than its factorization.

6221688104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5219692 (or 5219688 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 6221688104 is about 78877.6781098430. The cubic root of 6221688104 is about 1839.2301544740.

The spelling of 6221688104 in words is "six billion, two hundred twenty-one million, six hundred eighty-eight thousand, one hundred four".