8315543922 has 24 divisors (see below), whose sum is σ = 19346368176. Its totient is φ = 2375869608.

The previous prime is 8315543921. The next prime is 8315543939. The reversal of 8315543922 is 2293455138.

It is a super-2 number, since 2×8315543922² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (8315543921) 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, 14141788 + ... + 14142375.

It is an arithmetic number, because the mean of its divisors is an integer number (806098674).

Almost surely, 2^8315543922 is an apocalyptic number.

8315543922 is an abundant number, since it is smaller than the sum of its proper divisors (11030824254).

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

8315543922 is a wasteful number, since it uses less digits than its factorization.

8315543922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28284182 (or 28284175 counting only the distinct ones).

The product of its digits is 259200, while the sum is 42.

The square root of 8315543922 is about 91189.6042430276. The cubic root of 8315543922 is about 2025.9569868409.

The spelling of 8315543922 in words is "eight billion, three hundred fifteen million, five hundred forty-three thousand, nine hundred twenty-two".