22559423 has 2 divisors, whose sum is σ = 22559424. Its totient is φ = 22559422.

The previous prime is 22559401. The next prime is 22559429. The reversal of 22559423 is 32495522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22559423 - 2⁶ = 22559359 is a prime.

It is a super-3 number, since 3×22559423³ (a number of 23 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22559423.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22559429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11279711 + 11279712.

It is an arithmetic number, because the mean of its divisors is an integer number (11279712).

Almost surely, 2^22559423 is an apocalyptic number.

22559423 is a deficient number, since it is larger than the sum of its proper divisors (1).

22559423 is an equidigital number, since it uses as much as digits as its factorization.

22559423 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21600, while the sum is 32.

The square root of 22559423 is about 4749.6760942195. The cubic root of 22559423 is about 282.5591199004.

The spelling of 22559423 in words is "twenty-two million, five hundred fifty-nine thousand, four hundred twenty-three".