22311010157 has 2 divisors, whose sum is σ = 22311010158. Its totient is φ = 22311010156.

The previous prime is 22311010097. The next prime is 22311010187. The reversal of 22311010157 is 75101011322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22310201956 + 808201 = 149366^2 + 899^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22311010157 is a prime.

It is a super-3 number, since 3×22311010157³ (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 (22311010187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11155505078 + 11155505079.

It is an arithmetic number, because the mean of its divisors is an integer number (11155505079).

Almost surely, 2^22311010157 is an apocalyptic number.

It is an amenable number.

22311010157 is a deficient number, since it is larger than the sum of its proper divisors (1).

22311010157 is an equidigital number, since it uses as much as digits as its factorization.

22311010157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 23.

Adding to 22311010157 its reverse (75101011322), we get a palindrome (97412021479).

The spelling of 22311010157 in words is "twenty-two billion, three hundred eleven million, ten thousand, one hundred fifty-seven".