22459849 has 2 divisors, whose sum is σ = 22459850. Its totient is φ = 22459848.

The previous prime is 22459847. The next prime is 22459859. The reversal of 22459849 is 94895422.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22024249 + 435600 = 4693^2 + 660^2 .

It is a cyclic number.

It is not a de Polignac number, because 22459849 - 2¹ = 22459847 is a prime.

Together with 22459847, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22459847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11229924 + 11229925.

It is an arithmetic number, because the mean of its divisors is an integer number (11229925).

Almost surely, 2^22459849 is an apocalyptic number.

It is an amenable number.

22459849 is a deficient number, since it is larger than the sum of its proper divisors (1).

22459849 is an equidigital number, since it uses as much as digits as its factorization.

22459849 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 43.

The square root of 22459849 is about 4739.1823134376. The cubic root of 22459849 is about 282.1427818435.

The spelling of 22459849 in words is "twenty-two million, four hundred fifty-nine thousand, eight hundred forty-nine".