22865669 has 2 divisors, whose sum is σ = 22865670. Its totient is φ = 22865668.

The previous prime is 22865651. The next prime is 22865699. The reversal of 22865669 is 96656822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14668900 + 8196769 = 3830^2 + 2863^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22865669 is a prime.

It is a super-2 number, since 2×22865669² = 1045677637635122, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22865699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11432834 + 11432835.

It is an arithmetic number, because the mean of its divisors is an integer number (11432835).

Almost surely, 2^22865669 is an apocalyptic number.

It is an amenable number.

22865669 is a deficient number, since it is larger than the sum of its proper divisors (1).

22865669 is an equidigital number, since it uses as much as digits as its factorization.

22865669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 311040, while the sum is 44.

The square root of 22865669 is about 4781.8060395629. The cubic root of 22865669 is about 283.8319651686.

The spelling of 22865669 in words is "twenty-two million, eight hundred sixty-five thousand, six hundred sixty-nine".