22284783 has 24 divisors (see below), whose sum is σ = 33038928. Its totient is φ = 14470272.

The previous prime is 22284781. The next prime is 22284797. The reversal of 22284783 is 38748222.

It is not a de Polignac number, because 22284783 - 2¹ = 22284781 is a prime.

It is a super-2 number, since 2×22284783² = 993223106714178, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22284781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70141 + ... + 70457.

It is an arithmetic number, because the mean of its divisors is an integer number (1376622).

Almost surely, 2^22284783 is an apocalyptic number.

22284783 is a deficient number, since it is larger than the sum of its proper divisors (10754145).

22284783 is a wasteful number, since it uses less digits than its factorization.

22284783 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 503 (or 500 counting only the distinct ones).

The product of its digits is 43008, while the sum is 36.

The square root of 22284783 is about 4720.6761168290. The cubic root of 22284783 is about 281.4078035912.

The spelling of 22284783 in words is "twenty-two million, two hundred eighty-four thousand, seven hundred eighty-three".