8402423922 has 64 divisors (see below), whose sum is σ = 19835376000. Its totient is φ = 2629018944.

The previous prime is 8402423921. The next prime is 8402423947. The reversal of 8402423922 is 2293242048.

It is not an unprimeable number, because it can be changed into a prime (8402423921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74268 + ... + 149400.

It is an arithmetic number, because the mean of its divisors is an integer number (309927750).

Almost surely, 2^8402423922 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8402423922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9917688000).

8402423922 is an abundant number, since it is smaller than the sum of its proper divisors (11432952078).

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

8402423922 is a wasteful number, since it uses less digits than its factorization.

8402423922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75272 (or 75266 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The square root of 8402423922 is about 91664.7365239218. The cubic root of 8402423922 is about 2032.9882238324.

The spelling of 8402423922 in words is "eight billion, four hundred two million, four hundred twenty-three thousand, nine hundred twenty-two".