9229381231 has 16 divisors (see below), whose sum is σ = 10823328000. Its totient is φ = 7866650904.

The previous prime is 9229381201. The next prime is 9229381241. The reversal of 9229381231 is 1321839229.

It is not a de Polignac number, because 9229381231 - 2⁵ = 9229381199 is a prime.

It is a super-2 number, since 2×9229381231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9229381201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13765 + ... + 136558.

It is an arithmetic number, because the mean of its divisors is an integer number (676458000).

Almost surely, 2^9229381231 is an apocalyptic number.

9229381231 is a deficient number, since it is larger than the sum of its proper divisors (1593946769).

9229381231 is a wasteful number, since it uses less digits than its factorization.

9229381231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150523 (or 150509 counting only the distinct ones).

The product of its digits is 46656, while the sum is 40.

The square root of 9229381231 is about 96069.6686316758. The cubic root of 9229381231 is about 2097.6073453122.

The spelling of 9229381231 in words is "nine billion, two hundred twenty-nine million, three hundred eighty-one thousand, two hundred thirty-one".