22420259 has 2 divisors, whose sum is σ = 22420260. Its totient is φ = 22420258.

The previous prime is 22420249. The next prime is 22420267. The reversal of 22420259 is 95202422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22420259 - 2⁸ = 22420003 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22420249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11210129 + 11210130.

It is an arithmetic number, because the mean of its divisors is an integer number (11210130).

Almost surely, 2^22420259 is an apocalyptic number.

22420259 is a deficient number, since it is larger than the sum of its proper divisors (1).

22420259 is an equidigital number, since it uses as much as digits as its factorization.

22420259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 22420259 is about 4735.0035902837. The cubic root of 22420259 is about 281.9769065474.

The spelling of 22420259 in words is "twenty-two million, four hundred twenty thousand, two hundred fifty-nine".