22090867 has 2 divisors, whose sum is σ = 22090868. Its totient is φ = 22090866.

The previous prime is 22090843. The next prime is 22090883. The reversal of 22090867 is 76809022.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22090867 is a prime.

It is not a weakly prime, because it can be changed into another prime (22094867) 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 as a sum of consecutive naturals, namely, 11045433 + 11045434.

It is an arithmetic number, because the mean of its divisors is an integer number (11045434).

Almost surely, 2^22090867 is an apocalyptic number.

22090867 is a deficient number, since it is larger than the sum of its proper divisors (1).

22090867 is an equidigital number, since it uses as much as digits as its factorization.

22090867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 22090867 is about 4700.0922331376. The cubic root of 22090867 is about 280.5891802866.

Adding to 22090867 its reverse (76809022), we get a palindrome (98899889).

The spelling of 22090867 in words is "twenty-two million, ninety thousand, eight hundred sixty-seven".