22459449 has 8 divisors (see below), whose sum is σ = 30027712. Its totient is φ = 14932080.

The previous prime is 22459447. The next prime is 22459457. The reversal of 22459449 is 94495422.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22459449 - 2¹ = 22459447 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22459447) 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 in 7 ways as a sum of consecutive naturals, for example, 8917 + ... + 11154.

It is an arithmetic number, because the mean of its divisors is an integer number (3753464).

Almost surely, 2^22459449 is an apocalyptic number.

It is an amenable number.

22459449 is a deficient number, since it is larger than the sum of its proper divisors (7568263).

22459449 is a wasteful number, since it uses less digits than its factorization.

22459449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20447.

The product of its digits is 103680, while the sum is 39.

The square root of 22459449 is about 4739.1401118768. The cubic root of 22459449 is about 282.1411068875.

The spelling of 22459449 in words is "twenty-two million, four hundred fifty-nine thousand, four hundred forty-nine".