9641422231 has 12 divisors (see below), whose sum is σ = 11427148872. Its totient is φ = 8108148048.

The previous prime is 9641422213. The next prime is 9641422237. The reversal of 9641422231 is 1322241469.

It is not a de Polignac number, because 9641422231 - 2⁷ = 9641422103 is a prime.

It is a super-2 number, since 2×9641422231² (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 (9641422237) 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, 1853665 + ... + 1858858.

It is an arithmetic number, because the mean of its divisors is an integer number (952262406).

Almost surely, 2^9641422231 is an apocalyptic number.

9641422231 is a deficient number, since it is larger than the sum of its proper divisors (1785726641).

9641422231 is a wasteful number, since it uses less digits than its factorization.

9641422231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3712590 (or 3712583 counting only the distinct ones).

The product of its digits is 20736, while the sum is 34.

The square root of 9641422231 is about 98190.7441208182. The cubic root of 9641422231 is about 2128.3695363268.

The spelling of 9641422231 in words is "nine billion, six hundred forty-one million, four hundred twenty-two thousand, two hundred thirty-one".