22994784 has 36 divisors (see below), whose sum is σ = 65392236. Its totient is φ = 7664832.

The previous prime is 22994759. The next prime is 22994789. The reversal of 22994784 is 48749922.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22994789) 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, 39634 + ... + 40209.

It is an arithmetic number, because the mean of its divisors is an integer number (1816451).

Almost surely, 2^22994784 is an apocalyptic number.

22994784 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22994784 is an abundant number, since it is smaller than the sum of its proper divisors (42397452).

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

22994784 is a wasteful number, since it uses less digits than its factorization.

22994784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79859 (or 79848 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 22994784 is about 4795.2876868859. The cubic root of 22994784 is about 284.3651983741.

The spelling of 22994784 in words is "twenty-two million, nine hundred ninety-four thousand, seven hundred eighty-four".