22264785 has 24 divisors (see below), whose sum is σ = 38771304. Its totient is φ = 11819520.

The previous prime is 22264757. The next prime is 22264813. The reversal of 22264785 is 58746222.

22264785 is a `hidden beast` number, since 2 + 2 + 2 + 647 + 8 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (22264757) and next prime (22264813).

It can be written as a sum of positive squares in 4 ways, for example, as 4422609 + 17842176 = 2103^2 + 4224^2 .

It is not a de Polignac number, because 22264785 - 2⁷ = 22264657 is a prime.

It is a zygodrome in base 3.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9819 + ... + 11871.

It is an arithmetic number, because the mean of its divisors is an integer number (1615471).

Almost surely, 2^22264785 is an apocalyptic number.

It is an amenable number.

22264785 is a deficient number, since it is larger than the sum of its proper divisors (16506519).

22264785 is a wasteful number, since it uses less digits than its factorization.

22264785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2305 (or 2302 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 22264785 is about 4718.5575126303. The cubic root of 22264785 is about 281.3236014780.

The spelling of 22264785 in words is "twenty-two million, two hundred sixty-four thousand, seven hundred eighty-five".