9990022232331 has 12 divisors (see below), whose sum is σ = 14430118895400. Its totient is φ = 6659974768320.

The previous prime is 9990022232321. The next prime is 9990022232363. The reversal of 9990022232331 is 1332322200999.

9990022232331 is a `hidden beast` number, since 9 + 9 + 90 + 0 + 2 + 223 + 2 + 331 = 666.

It is not a de Polignac number, because 9990022232331 - 2⁴¹ = 7790998976779 is a prime.

It is a super-2 number, since 2×9990022232331² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9990022232321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1716681 + ... + 4788218.

It is an arithmetic number, because the mean of its divisors is an integer number (1202509907950).

Almost surely, 2^{9990022232331} is an apocalyptic number.

9990022232331 is a deficient number, since it is larger than the sum of its proper divisors (4440096663069).

9990022232331 is a wasteful number, since it uses less digits than its factorization.

9990022232331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6675546 (or 6675543 counting only the distinct ones).

The product of its (nonzero) digits is 314928, while the sum is 45.

The spelling of 9990022232331 in words is "nine trillion, nine hundred ninety billion, twenty-two million, two hundred thirty-two thousand, three hundred thirty-one".