9278998122 has 32 divisors (see below), whose sum is σ = 19089100800. Its totient is φ = 3005236080.

The previous prime is 9278998097. The next prime is 9278998129. The reversal of 9278998122 is 2218998729.

It is a super-2 number, since 2×9278998122² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9278998129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44872 + ... + 143427.

It is an arithmetic number, because the mean of its divisors is an integer number (596534400).

Almost surely, 2^9278998122 is an apocalyptic number.

9278998122 is an abundant number, since it is smaller than the sum of its proper divisors (9810102678).

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

9278998122 is a wasteful number, since it uses less digits than its factorization.

9278998122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188538.

The product of its digits is 2612736, while the sum is 57.

The square root of 9278998122 is about 96327.5564000250. The cubic root of 9278998122 is about 2101.3595219348.

The spelling of 9278998122 in words is "nine billion, two hundred seventy-eight million, nine hundred ninety-eight thousand, one hundred twenty-two".