22402546169 has 2 divisors, whose sum is σ = 22402546170. Its totient is φ = 22402546168.

The previous prime is 22402546157. The next prime is 22402546219. The reversal of 22402546169 is 96164520422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14157906169 + 8244640000 = 118987^2 + 90800^2 .

It is a cyclic number.

It is not a de Polignac number, because 22402546169 - 2¹² = 22402542073 is a prime.

It is a super-2 number, since 2×22402546169² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22402546069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11201273084 + 11201273085.

It is an arithmetic number, because the mean of its divisors is an integer number (11201273085).

Almost surely, 2^22402546169 is an apocalyptic number.

It is an amenable number.

22402546169 is a deficient number, since it is larger than the sum of its proper divisors (1).

22402546169 is an equidigital number, since it uses as much as digits as its factorization.

22402546169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 22402546169 in words is "twenty-two billion, four hundred two million, five hundred forty-six thousand, one hundred sixty-nine".