22308169 has 6 divisors (see below), whose sum is σ = 24156366. Its totient is φ = 20592000.

The previous prime is 22308161. The next prime is 22308179. The reversal of 22308169 is 96180322.

It can be written as a sum of positive squares in 3 ways, for example, as 1468944 + 20839225 = 1212^2 + 4565^2 .

It is not a de Polignac number, because 22308169 - 2³ = 22308161 is a prime.

It is a super-3 number, since 3×22308169³ (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 22308169.

It is not an unprimeable number, because it can be changed into a prime (22308161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65832 + ... + 66169.

It is an arithmetic number, because the mean of its divisors is an integer number (4026061).

Almost surely, 2^22308169 is an apocalyptic number.

It is an amenable number.

22308169 is a deficient number, since it is larger than the sum of its proper divisors (1848197).

22308169 is a wasteful number, since it uses less digits than its factorization.

22308169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132027 (or 132014 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 22308169 is about 4723.1524430194. The cubic root of 22308169 is about 281.5062070948.

The spelling of 22308169 in words is "twenty-two million, three hundred eight thousand, one hundred sixty-nine".