15222875881 has 2 divisors, whose sum is σ = 15222875882. Its totient is φ = 15222875880.

The previous prime is 15222875851. The next prime is 15222875939. The reversal of 15222875881 is 18857822251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15206835856 + 16040025 = 123316^2 + 4005^2 .

It is a cyclic number.

It is not a de Polignac number, because 15222875881 - 2²³ = 15214487273 is a prime.

It is a super-2 number, since 2×15222875881² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (15222875851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7611437940 + 7611437941.

It is an arithmetic number, because the mean of its divisors is an integer number (7611437941).

Almost surely, 2^15222875881 is an apocalyptic number.

It is an amenable number.

15222875881 is a deficient number, since it is larger than the sum of its proper divisors (1).

15222875881 is an equidigital number, since it uses as much as digits as its factorization.

15222875881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 716800, while the sum is 49.

The spelling of 15222875881 in words is "fifteen billion, two hundred twenty-two million, eight hundred seventy-five thousand, eight hundred eighty-one".