22282785 has 48 divisors (see below), whose sum is σ = 44568576. Its totient is φ = 10088064.

The previous prime is 22282781. The next prime is 22282807. The reversal of 22282785 is 58728222.

It is not a de Polignac number, because 22282785 - 2² = 22282781 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22282781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 39727 + ... + 40283.

It is an arithmetic number, because the mean of its divisors is an integer number (928512).

Almost surely, 2^22282785 is an apocalyptic number.

It is an amenable number.

22282785 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

22282785 is a wasteful number, since it uses less digits than its factorization.

22282785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702 (or 699 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 22282785 is about 4720.4644898569. The cubic root of 22282785 is about 281.3993932245.

The spelling of 22282785 in words is "twenty-two million, two hundred eighty-two thousand, seven hundred eighty-five".