6562222656 has 56 divisors (see below), whose sum is σ = 18940966944. Its totient is φ = 1988551680.

The previous prime is 6562222637. The next prime is 6562222669.

6562222656 is nontrivially palindromic in base 10.

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, 1551445 + ... + 1555668.

Almost surely, 2^6562222656 is an apocalyptic number.

6562222656 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

6562222656 is an abundant number, since it is smaller than the sum of its proper divisors (12378744288).

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

6562222656 is a wasteful number, since it uses less digits than its factorization.

6562222656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3107139 (or 3107129 counting only the distinct ones).

The product of its digits is 518400, while the sum is 42.

The square root of 6562222656 is about 81007.5469076802. The cubic root of 6562222656 is about 1872.1917219083.

The spelling of 6562222656 in words is "six billion, five hundred sixty-two million, two hundred twenty-two thousand, six hundred fifty-six".