22494250 has 16 divisors (see below), whose sum is σ = 42109704. Its totient is φ = 8997600.

The previous prime is 22494229. The next prime is 22494259. The reversal of 22494250 is 5249422.

It can be written as a sum of positive squares in 4 ways, for example, as 13476241 + 9018009 = 3671^2 + 3003^2 .

It is not an unprimeable number, because it can be changed into a prime (22494259) 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, 44739 + ... + 45238.

Almost surely, 2^22494250 is an apocalyptic number.

22494250 is a deficient number, since it is larger than the sum of its proper divisors (19615454).

22494250 is an equidigital number, since it uses as much as digits as its factorization.

22494250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89994 (or 89984 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 22494250 is about 4742.8103483062. The cubic root of 22494250 is about 282.2867579169.

The spelling of 22494250 in words is "twenty-two million, four hundred ninety-four thousand, two hundred fifty".