22783328 has 24 divisors (see below), whose sum is σ = 46403280. Its totient is φ = 10998400.

The previous prime is 22783273. The next prime is 22783339. The reversal of 22783328 is 82338722.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11348 + ... + 13203.

It is an arithmetic number, because the mean of its divisors is an integer number (1933470).

Almost surely, 2^22783328 is an apocalyptic number.

It is an amenable number.

22783328 is an abundant number, since it is smaller than the sum of its proper divisors (23619952).

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

22783328 is a wasteful number, since it uses less digits than its factorization.

22783328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24590 (or 24582 counting only the distinct ones).

The product of its digits is 32256, while the sum is 35.

The square root of 22783328 is about 4773.1884521774. The cubic root of 22783328 is about 283.4908552760.

The spelling of 22783328 in words is "twenty-two million, seven hundred eighty-three thousand, three hundred twenty-eight".