9122222898 has 12 divisors (see below), whose sum is σ = 19764816318. Its totient is φ = 3040740960.

The previous prime is 9122222897. The next prime is 9122222909. The reversal of 9122222898 is 8982222219.

9122222898 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7314867729 + 1807355169 = 85527^2 + 42513^2 .

It is not an unprimeable number, because it can be changed into a prime (9122222891) 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 5 ways as a sum of consecutive naturals, for example, 253395063 + ... + 253395098.

Almost surely, 2^9122222898 is an apocalyptic number.

9122222898 is an abundant number, since it is smaller than the sum of its proper divisors (10642593420).

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

9122222898 is a wasteful number, since it uses less digits than its factorization.

9122222898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506790169 (or 506790166 counting only the distinct ones).

The product of its digits is 165888, while the sum is 45.

The square root of 9122222898 is about 95510.3287503503. The cubic root of 9122222898 is about 2089.4575867043.

The spelling of 9122222898 in words is "nine billion, one hundred twenty-two million, two hundred twenty-two thousand, eight hundred ninety-eight".