6622266656 has 12 divisors (see below), whose sum is σ = 13037587542. Its totient is φ = 3311133312.

The previous prime is 6622266647. The next prime is 6622266671. The reversal of 6622266656 is 6566622266.

It can be written as a sum of positive squares in only one way, i.e., 6218899600 + 403367056 = 78860^2 + 20084^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6622266656.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103472885 + ... + 103472948.

Almost surely, 2^6622266656 is an apocalyptic number.

It is an amenable number.

6622266656 is a deficient number, since it is larger than the sum of its proper divisors (6415320886).

6622266656 is a wasteful number, since it uses less digits than its factorization.

6622266656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206945843 (or 206945835 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 47.

The square root of 6622266656 is about 81377.3104495350. The cubic root of 6622266656 is about 1877.8845467088.

The spelling of 6622266656 in words is "six billion, six hundred twenty-two million, two hundred sixty-six thousand, six hundred fifty-six".