108722231 has 2 divisors, whose sum is σ = 108722232. Its totient is φ = 108722230.

The previous prime is 108722221. The next prime is 108722261. The reversal of 108722231 is 132227801.

It is a weak prime.

It is an emirp because it is prime and its reverse (132227801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 108722231 - 2⁶ = 108722167 is a prime.

It is a super-2 number, since 2×108722231² = 23641047027234722, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 108722231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (108722221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 54361115 + 54361116.

It is an arithmetic number, because the mean of its divisors is an integer number (54361116).

Almost surely, 2^108722231 is an apocalyptic number.

108722231 is a deficient number, since it is larger than the sum of its proper divisors (1).

108722231 is an equidigital number, since it uses as much as digits as its factorization.

108722231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 108722231 is about 10426.9953006607. The cubic root of 108722231 is about 477.2795045678.

The spelling of 108722231 in words is "one hundred eight million, seven hundred twenty-two thousand, two hundred thirty-one".