22258169 has 2 divisors, whose sum is σ = 22258170. Its totient is φ = 22258168.

The previous prime is 22258141. The next prime is 22258199. The reversal of 22258169 is 96185222.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22202944 + 55225 = 4712^2 + 235^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22258169 is a prime.

It is a super-2 number, since 2×22258169² = 990852174465122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22258199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11129084 + 11129085.

It is an arithmetic number, because the mean of its divisors is an integer number (11129085).

Almost surely, 2^22258169 is an apocalyptic number.

It is an amenable number.

22258169 is a deficient number, since it is larger than the sum of its proper divisors (1).

22258169 is an equidigital number, since it uses as much as digits as its factorization.

22258169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 35.

The square root of 22258169 is about 4717.8563988320. The cubic root of 22258169 is about 281.2957335341.

The spelling of 22258169 in words is "twenty-two million, two hundred fifty-eight thousand, one hundred sixty-nine".