22859443 has 2 divisors, whose sum is σ = 22859444. Its totient is φ = 22859442.

The previous prime is 22859411. The next prime is 22859449. The reversal of 22859443 is 34495822.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22859443 - 2⁵ = 22859411 is a prime.

It is not a weakly prime, because it can be changed into another prime (22859449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11429721 + 11429722.

It is an arithmetic number, because the mean of its divisors is an integer number (11429722).

Almost surely, 2^22859443 is an apocalyptic number.

22859443 is a deficient number, since it is larger than the sum of its proper divisors (1).

22859443 is an equidigital number, since it uses as much as digits as its factorization.

22859443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 37.

The square root of 22859443 is about 4781.1549859840. The cubic root of 22859443 is about 283.8062016797.

The spelling of 22859443 in words is "twenty-two million, eight hundred fifty-nine thousand, four hundred forty-three".