22989859 has 2 divisors, whose sum is σ = 22989860. Its totient is φ = 22989858.

The previous prime is 22989847. The next prime is 22989919. The reversal of 22989859 is 95898922.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22989859 - 2¹³ = 22981667 is a prime.

It is not a weakly prime, because it can be changed into another prime (22989959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11494929 + 11494930.

It is an arithmetic number, because the mean of its divisors is an integer number (11494930).

Almost surely, 2^22989859 is an apocalyptic number.

22989859 is a deficient number, since it is larger than the sum of its proper divisors (1).

22989859 is an equidigital number, since it uses as much as digits as its factorization.

22989859 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 933120, while the sum is 52.

The square root of 22989859 is about 4794.7741344093. The cubic root of 22989859 is about 284.3448952393.

The spelling of 22989859 in words is "twenty-two million, nine hundred eighty-nine thousand, eight hundred fifty-nine".