6226568978 has 32 divisors (see below), whose sum is σ = 10788470784. Its totient is φ = 2639994192.

The previous prime is 6226568963. The next prime is 6226568989. The reversal of 6226568978 is 8798656226.

It is a super-2 number, since 2×6226568978² = 77540322475583928968, which contains 22 as substring.

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, 2315951 + ... + 2318637.

It is an arithmetic number, because the mean of its divisors is an integer number (337139712).

Almost surely, 2^6226568978 is an apocalyptic number.

6226568978 is a deficient number, since it is larger than the sum of its proper divisors (4561901806).

6226568978 is a wasteful number, since it uses less digits than its factorization.

6226568978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4406.

The product of its digits is 17418240, while the sum is 59.

The square root of 6226568978 is about 78908.6115579282. The cubic root of 6226568978 is about 1839.7109834727.

The spelling of 6226568978 in words is "six billion, two hundred twenty-six million, five hundred sixty-eight thousand, nine hundred seventy-eight".