22401259 has 2 divisors, whose sum is σ = 22401260. Its totient is φ = 22401258.

The previous prime is 22401229. The next prime is 22401299. The reversal of 22401259 is 95210422.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22401259 - 2⁵ = 22401227 is a prime.

It is not a weakly prime, because it can be changed into another prime (22401229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11200629 + 11200630.

It is an arithmetic number, because the mean of its divisors is an integer number (11200630).

Almost surely, 2^22401259 is an apocalyptic number.

22401259 is a deficient number, since it is larger than the sum of its proper divisors (1).

22401259 is an equidigital number, since it uses as much as digits as its factorization.

22401259 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 22401259 is about 4732.9968307617. The cubic root of 22401259 is about 281.8972304629.

The spelling of 22401259 in words is "twenty-two million, four hundred one thousand, two hundred fifty-nine".