22192012169 has 2 divisors, whose sum is σ = 22192012170. Its totient is φ = 22192012168.

The previous prime is 22192012153. The next prime is 22192012243. The reversal of 22192012169 is 96121029122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19486764025 + 2705248144 = 139595^2 + 52012^2 .

It is a cyclic number.

It is not a de Polignac number, because 22192012169 - 2⁴ = 22192012153 is a prime.

It is a super-2 number, since 2×22192012169² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22192012769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11096006084 + 11096006085.

It is an arithmetic number, because the mean of its divisors is an integer number (11096006085).

Almost surely, 2^22192012169 is an apocalyptic number.

It is an amenable number.

22192012169 is a deficient number, since it is larger than the sum of its proper divisors (1).

22192012169 is an equidigital number, since it uses as much as digits as its factorization.

22192012169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 35.

The spelling of 22192012169 in words is "twenty-two billion, one hundred ninety-two million, twelve thousand, one hundred sixty-nine".