22213259 has 2 divisors, whose sum is σ = 22213260. Its totient is φ = 22213258.

The previous prime is 22213183. The next prime is 22213313. The reversal of 22213259 is 95231222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22213259 - 2²⁰ = 21164683 is a prime.

It is not a weakly prime, because it can be changed into another prime (22213859) 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, 11106629 + 11106630.

It is an arithmetic number, because the mean of its divisors is an integer number (11106630).

Almost surely, 2^22213259 is an apocalyptic number.

22213259 is a deficient number, since it is larger than the sum of its proper divisors (1).

22213259 is an equidigital number, since it uses as much as digits as its factorization.

22213259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2160, while the sum is 26.

The square root of 22213259 is about 4713.0944187444. The cubic root of 22213259 is about 281.1064173120.

The spelling of 22213259 in words is "twenty-two million, two hundred thirteen thousand, two hundred fifty-nine".