117822331 has 16 divisors (see below), whose sum is σ = 133428960. Its totient is φ = 103057920.

The previous prime is 117822253. The next prime is 117822337. The reversal of 117822331 is 133228711.

It is a cyclic number.

It is not a de Polignac number, because 117822331 - 2¹⁵ = 117789563 is a prime.

It is a super-2 number, since 2×117822331² = 27764203364547122, which 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 117822331.

It is not an unprimeable number, because it can be changed into a prime (117822337) 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, 137701 + ... + 138553.

It is an arithmetic number, because the mean of its divisors is an integer number (8339310).

Almost surely, 2^117822331 is an apocalyptic number.

117822331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

117822331 is a deficient number, since it is larger than the sum of its proper divisors (15606629).

117822331 is a wasteful number, since it uses less digits than its factorization.

117822331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1326.

The product of its digits is 2016, while the sum is 28.

The square root of 117822331 is about 10854.5995319956. The cubic root of 117822331 is about 490.2405191550.

The spelling of 117822331 in words is "one hundred seventeen million, eight hundred twenty-two thousand, three hundred thirty-one".