22008893 has 2 divisors, whose sum is σ = 22008894. Its totient is φ = 22008892.

The previous prime is 22008871. The next prime is 22008901. The reversal of 22008893 is 39880022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20232004 + 1776889 = 4498^2 + 1333^2 .

It is a cyclic number.

It is not a de Polignac number, because 22008893 - 2¹² = 22004797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22008823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11004446 + 11004447.

It is an arithmetic number, because the mean of its divisors is an integer number (11004447).

Almost surely, 2^22008893 is an apocalyptic number.

It is an amenable number.

22008893 is a deficient number, since it is larger than the sum of its proper divisors (1).

22008893 is an equidigital number, since it uses as much as digits as its factorization.

22008893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 22008893 is about 4691.3636610265. The cubic root of 22008893 is about 280.2416833367.

The spelling of 22008893 in words is "twenty-two million, eight thousand, eight hundred ninety-three".