8822621844 has 24 divisors (see below), whose sum is σ = 22873464320. Its totient is φ = 2940873912.

The previous prime is 8822621837. The next prime is 8822621851. The reversal of 8822621844 is 4481262288.

It is an interprime number because it is at equal distance from previous prime (8822621837) and next prime (8822621851).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 8822621844.

It is a congruent number.

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, 40845364 + ... + 40845579.

Almost surely, 2^8822621844 is an apocalyptic number.

It is an amenable number.

8822621844 is an abundant number, since it is smaller than the sum of its proper divisors (14050842476).

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

8822621844 is a wasteful number, since it uses less digits than its factorization.

8822621844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81690956 (or 81690948 counting only the distinct ones).

The product of its digits is 393216, while the sum is 45.

The square root of 8822621844 is about 93928.8126402117. The cubic root of 8822621844 is about 2066.3278141057.

The spelling of 8822621844 in words is "eight billion, eight hundred twenty-two million, six hundred twenty-one thousand, eight hundred forty-four".