6522221108 has 12 divisors (see below), whose sum is σ = 12291878340. Its totient is φ = 3010255872.

The previous prime is 6522221081. The next prime is 6522221117. The reversal of 6522221108 is 8011222256.

It can be written as a sum of positive squares in 2 ways, for example, as 2380268944 + 4141952164 = 48788^2 + 64358^2 .

It is a congruent number.

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, 62713613 + ... + 62713716.

It is an arithmetic number, because the mean of its divisors is an integer number (1024323195).

Almost surely, 2^6522221108 is an apocalyptic number.

It is an amenable number.

6522221108 is a deficient number, since it is larger than the sum of its proper divisors (5769657232).

6522221108 is a wasteful number, since it uses less digits than its factorization.

6522221108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125427346 (or 125427344 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 6522221108 is about 80760.2693655736. The cubic root of 6522221108 is about 1868.3798399019.

The spelling of 6522221108 in words is "six billion, five hundred twenty-two million, two hundred twenty-one thousand, one hundred eight".