22310230157 has 2 divisors, whose sum is σ = 22310230158. Its totient is φ = 22310230156.

The previous prime is 22310230139. The next prime is 22310230169. The reversal of 22310230157 is 75103201322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16990861801 + 5319368356 = 130349^2 + 72934^2 .

It is a cyclic number.

It is not a de Polignac number, because 22310230157 - 2⁸ = 22310229901 is a prime.

It is a super-3 number, since 3×22310230157³ (a number of 32 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22310230357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11155115078 + 11155115079.

It is an arithmetic number, because the mean of its divisors is an integer number (11155115079).

Almost surely, 2^22310230157 is an apocalyptic number.

It is an amenable number.

22310230157 is a deficient number, since it is larger than the sum of its proper divisors (1).

22310230157 is an equidigital number, since it uses as much as digits as its factorization.

22310230157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 26.

Adding to 22310230157 its reverse (75103201322), we get a palindrome (97413431479).

The spelling of 22310230157 in words is "twenty-two billion, three hundred ten million, two hundred thirty thousand, one hundred fifty-seven".