22444449 has 8 divisors (see below), whose sum is σ = 30347712. Its totient is φ = 14752080.

The previous prime is 22444441. The next prime is 22444483. The reversal of 22444449 is 94444422.

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

It is not a de Polignac number, because 22444449 - 2³ = 22444441 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (22444441) 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, 52474 + ... + 52899.

It is an arithmetic number, because the mean of its divisors is an integer number (3793464).

Almost surely, 2^22444449 is an apocalyptic number.

It is an amenable number.

22444449 is a deficient number, since it is larger than the sum of its proper divisors (7903263).

22444449 is a wasteful number, since it uses less digits than its factorization.

22444449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105447.

The product of its digits is 36864, while the sum is 33.

The square root of 22444449 is about 4737.5572819756. The cubic root of 22444449 is about 282.0782816727.

The spelling of 22444449 in words is "twenty-two million, four hundred forty-four thousand, four hundred forty-nine".