8422821043 has 12 divisors (see below), whose sum is σ = 10551666720. Its totient is φ = 6664209552.

The previous prime is 8422820999. The next prime is 8422821047. The reversal of 8422821043 is 3401282248.

It is a de Polignac number, because none of the positive numbers 2^k-8422821043 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8422821047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6610683 + ... + 6611956.

It is an arithmetic number, because the mean of its divisors is an integer number (879305560).

Almost surely, 2^8422821043 is an apocalyptic number.

8422821043 is a deficient number, since it is larger than the sum of its proper divisors (2128845677).

8422821043 is a wasteful number, since it uses less digits than its factorization.

8422821043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13222666 (or 13222659 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 34.

The square root of 8422821043 is about 91775.9284507653. The cubic root of 8422821043 is about 2034.6319399064.

The spelling of 8422821043 in words is "eight billion, four hundred twenty-two million, eight hundred twenty-one thousand, forty-three".