22449850 has 12 divisors (see below), whose sum is σ = 41756814. Its totient is φ = 8979920.

The previous prime is 22449841. The next prime is 22449851. The reversal of 22449850 is 5894422.

It can be written as a sum of positive squares in 3 ways, for example, as 17164449 + 5285401 = 4143^2 + 2299^2 .

It is not an unprimeable number, because it can be changed into a prime (22449851) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 224449 + ... + 224548.

Almost surely, 2^22449850 is an apocalyptic number.

22449850 is a deficient number, since it is larger than the sum of its proper divisors (19306964).

22449850 is a wasteful number, since it uses less digits than its factorization.

22449850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449009 (or 449004 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 22449850 is about 4738.1272671806. The cubic root of 22449850 is about 282.1009061623.

The spelling of 22449850 in words is "twenty-two million, four hundred forty-nine thousand, eight hundred fifty".