22894449 has 16 divisors (see below), whose sum is σ = 32500800. Its totient is φ = 14294016.

The previous prime is 22894429. The next prime is 22894451. The reversal of 22894449 is 94449822.

It is not a de Polignac number, because 22894449 - 2¹⁶ = 22828913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22894449.

It is not an unprimeable number, because it can be changed into a prime (22894409) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2817 + ... + 7329.

It is an arithmetic number, because the mean of its divisors is an integer number (2031300).

Almost surely, 2^22894449 is an apocalyptic number.

It is an amenable number.

22894449 is a deficient number, since it is larger than the sum of its proper divisors (9606351).

22894449 is a wasteful number, since it uses less digits than its factorization.

22894449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4624.

The product of its digits is 165888, while the sum is 42.

The square root of 22894449 is about 4784.8144164638. The cubic root of 22894449 is about 283.9509974635.

The spelling of 22894449 in words is "twenty-two million, eight hundred ninety-four thousand, four hundred forty-nine".