22684266 has 32 divisors (see below), whose sum is σ = 54993600. Its totient is φ = 6873840.

The previous prime is 22684243. The next prime is 22684267. The reversal of 22684266 is 66248622.

22684266 is a `hidden beast` number, since 226 + 8 + 426 + 6 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 22684266.

It is not an unprimeable number, because it can be changed into a prime (22684267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18501 + ... + 19688.

It is an arithmetic number, because the mean of its divisors is an integer number (1718550).

Almost surely, 2^22684266 is an apocalyptic number.

22684266 is an abundant number, since it is smaller than the sum of its proper divisors (32309334).

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

22684266 is a wasteful number, since it uses less digits than its factorization.

22684266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38211 (or 38205 counting only the distinct ones).

The product of its digits is 55296, while the sum is 36.

The square root of 22684266 is about 4762.8002267574. The cubic root of 22684266 is about 283.0793852218.

The spelling of 22684266 in words is "twenty-two million, six hundred eighty-four thousand, two hundred sixty-six".