22784133 has 8 divisors (see below), whose sum is σ = 30515968. Its totient is φ = 15120864.

The previous prime is 22784093. The next prime is 22784137. The reversal of 22784133 is 33148722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22784133 - 2⁸ = 22783877 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22784133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22784137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16360 + ... + 17697.

It is an arithmetic number, because the mean of its divisors is an integer number (3814496).

Almost surely, 2^22784133 is an apocalyptic number.

It is an amenable number.

22784133 is a deficient number, since it is larger than the sum of its proper divisors (7731835).

22784133 is a wasteful number, since it uses less digits than its factorization.

22784133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34283.

The product of its digits is 8064, while the sum is 30.

The square root of 22784133 is about 4773.2727766177. The cubic root of 22784133 is about 283.4941940837.

The spelling of 22784133 in words is "twenty-two million, seven hundred eighty-four thousand, one hundred thirty-three".