22994136 has 48 divisors (see below), whose sum is σ = 67939560. Its totient is φ = 6967680.

The previous prime is 22994117. The next prime is 22994143. The reversal of 22994136 is 63149922.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 22994136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13725 + ... + 15308.

Almost surely, 2^22994136 is an apocalyptic number.

It is an amenable number.

22994136 is an abundant number, since it is smaller than the sum of its proper divisors (44945424).

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

22994136 is a wasteful number, since it uses less digits than its factorization.

22994136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29056 (or 29049 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 22994136 is about 4795.2201200779. The cubic root of 22994136 is about 284.3625271831.

The spelling of 22994136 in words is "twenty-two million, nine hundred ninety-four thousand, one hundred thirty-six".