22244994 has 12 divisors (see below), whose sum is σ = 48197526. Its totient is φ = 7414992.

The previous prime is 22244941. The next prime is 22245017. The reversal of 22244994 is 49944222.

It can be written as a sum of positive squares in only one way, i.e., 17114769 + 5130225 = 4137^2 + 2265^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 617899 + ... + 617934.

Almost surely, 2^22244994 is an apocalyptic number.

22244994 is an abundant number, since it is smaller than the sum of its proper divisors (25952532).

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

22244994 is a wasteful number, since it uses less digits than its factorization.

22244994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235841 (or 1235838 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 22244994 is about 4716.4599012395. The cubic root of 22244994 is about 281.2402212896.

The spelling of 22244994 in words is "twenty-two million, two hundred forty-four thousand, nine hundred ninety-four".