22494800 has 30 divisors (see below), whose sum is σ = 54044718. Its totient is φ = 8997760.

The previous prime is 22494793. The next prime is 22494817. The reversal of 22494800 is 849422.

It can be written as a sum of positive squares in 3 ways, for example, as 1628176 + 20866624 = 1276^2 + 4568^2 .

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 27719 + ... + 28518.

Almost surely, 2^22494800 is an apocalyptic number.

22494800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22494800 is an abundant number, since it is smaller than the sum of its proper divisors (31549918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22494800 is a wasteful number, since it uses less digits than its factorization.

22494800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56255 (or 56244 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 22494800 is about 4742.8683304515. The cubic root of 22494800 is about 282.2890586004.

The spelling of 22494800 in words is "twenty-two million, four hundred ninety-four thousand, eight hundred".