9465221331 has 16 divisors (see below), whose sum is σ = 14055874720. Its totient is φ = 6295151520.

The previous prime is 9465221327. The next prime is 9465221333. The reversal of 9465221331 is 1331225649.

9465221331 is a `hidden beast` number, since 94 + 6 + 522 + 13 + 31 = 666.

It is not a de Polignac number, because 9465221331 - 2² = 9465221327 is a prime.

It is a super-2 number, since 2×9465221331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9465221333) 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, 404980 + ... + 427713.

It is an arithmetic number, because the mean of its divisors is an integer number (878492170).

Almost surely, 2^9465221331 is an apocalyptic number.

9465221331 is a deficient number, since it is larger than the sum of its proper divisors (4590653389).

9465221331 is a wasteful number, since it uses less digits than its factorization.

9465221331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833123 (or 833117 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 9465221331 is about 97289.3690543833. The cubic root of 9465221331 is about 2115.3241352221.

The spelling of 9465221331 in words is "nine billion, four hundred sixty-five million, two hundred twenty-one thousand, three hundred thirty-one".