8215534122 has 32 divisors (see below), whose sum is σ = 16612539264. Its totient is φ = 2708328000.

The previous prime is 8215534097. The next prime is 8215534147. The reversal of 8215534122 is 2214355128.

It is an interprime number because it is at equal distance from previous prime (8215534097) and next prime (8215534147).

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, 563043 + ... + 577449.

It is an arithmetic number, because the mean of its divisors is an integer number (519141852).

Almost surely, 2^8215534122 is an apocalyptic number.

8215534122 is an abundant number, since it is smaller than the sum of its proper divisors (8397005142).

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

8215534122 is a wasteful number, since it uses less digits than its factorization.

8215534122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15454.

The product of its digits is 19200, while the sum is 33.

The square root of 8215534122 is about 90639.5836376139. The cubic root of 8215534122 is about 2017.8022466825.

The spelling of 8215534122 in words is "eight billion, two hundred fifteen million, five hundred thirty-four thousand, one hundred twenty-two".