22198259 has 2 divisors, whose sum is σ = 22198260. Its totient is φ = 22198258.

The previous prime is 22198217. The next prime is 22198271. The reversal of 22198259 is 95289122.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22198259 - 2⁸ = 22198003 is a prime.

It is not a weakly prime, because it can be changed into another prime (22198279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11099129 + 11099130.

It is an arithmetic number, because the mean of its divisors is an integer number (11099130).

Almost surely, 2^22198259 is an apocalyptic number.

22198259 is a deficient number, since it is larger than the sum of its proper divisors (1).

22198259 is an equidigital number, since it uses as much as digits as its factorization.

22198259 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25920, while the sum is 38.

The square root of 22198259 is about 4711.5028387978. The cubic root of 22198259 is about 281.0431285988.

The spelling of 22198259 in words is "twenty-two million, one hundred ninety-eight thousand, two hundred fifty-nine".