9000222931 has 40 divisors (see below), whose sum is σ = 10814055984. Its totient is φ = 7486839360.

The previous prime is 9000222911. The next prime is 9000222971. The reversal of 9000222931 is 1392220009.

It is not a de Polignac number, because 9000222931 - 2⁵ = 9000222899 is a prime.

It is a super-2 number, since 2×9000222931² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9000222931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9000222911) 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 39 ways as a sum of consecutive naturals, for example, 13615741 + ... + 13616401.

Almost surely, 2^9000222931 is an apocalyptic number.

9000222931 is a deficient number, since it is larger than the sum of its proper divisors (1813833053).

9000222931 is an equidigital number, since it uses as much as digits as its factorization.

9000222931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849 (or 828 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 9000222931 is about 94869.5047473107. The cubic root of 9000222931 is about 2080.1009975459.

The spelling of 9000222931 in words is "nine billion, two hundred twenty-two thousand, nine hundred thirty-one".