8422420885 has 16 divisors (see below), whose sum is σ = 10148561856. Its totient is φ = 6710226048.

The previous prime is 8422420861. The next prime is 8422420943. The reversal of 8422420885 is 5880242248.

It is a cyclic number.

It is not a de Polignac number, because 8422420885 - 2⁹ = 8422420373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1283182 + ... + 1289728.

It is an arithmetic number, because the mean of its divisors is an integer number (634285116).

Almost surely, 2^8422420885 is an apocalyptic number.

It is an amenable number.

8422420885 is a deficient number, since it is larger than the sum of its proper divisors (1726140971).

8422420885 is a wasteful number, since it uses less digits than its factorization.

8422420885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7572.

The product of its (nonzero) digits is 327680, while the sum is 43.

The square root of 8422420885 is about 91773.7483434125. The cubic root of 8422420885 is about 2034.5997184318.

The spelling of 8422420885 in words is "eight billion, four hundred twenty-two million, four hundred twenty thousand, eight hundred eighty-five".