22331250169 has 2 divisors, whose sum is σ = 22331250170. Its totient is φ = 22331250168.

The previous prime is 22331250143. The next prime is 22331250217. The reversal of 22331250169 is 96105213322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21834495225 + 496754944 = 147765^2 + 22288^2 .

It is a cyclic number.

It is not a de Polignac number, because 22331250169 - 2⁷ = 22331250041 is a prime.

It is a super-2 number, since 2×22331250169² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22331250119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11165625084 + 11165625085.

It is an arithmetic number, because the mean of its divisors is an integer number (11165625085).

Almost surely, 2^22331250169 is an apocalyptic number.

It is an amenable number.

22331250169 is a deficient number, since it is larger than the sum of its proper divisors (1).

22331250169 is an equidigital number, since it uses as much as digits as its factorization.

22331250169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 34.

The spelling of 22331250169 in words is "twenty-two billion, three hundred thirty-one million, two hundred fifty thousand, one hundred sixty-nine".