22297859 has 2 divisors, whose sum is σ = 22297860. Its totient is φ = 22297858.

The previous prime is 22297841. The next prime is 22297861. The reversal of 22297859 is 95879222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22297859 - 2¹² = 22293763 is a prime.

Together with 22297861, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22297889) 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, 11148929 + 11148930.

It is an arithmetic number, because the mean of its divisors is an integer number (11148930).

Almost surely, 2^22297859 is an apocalyptic number.

22297859 is a deficient number, since it is larger than the sum of its proper divisors (1).

22297859 is an equidigital number, since it uses as much as digits as its factorization.

22297859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 181440, while the sum is 44.

The square root of 22297859 is about 4722.0608848256. The cubic root of 22297859 is about 281.4628332044.

The spelling of 22297859 in words is "twenty-two million, two hundred ninety-seven thousand, eight hundred fifty-nine".