22668286 has 4 divisors (see below), whose sum is σ = 34002432. Its totient is φ = 11334142.

The previous prime is 22668281. The next prime is 22668299. The reversal of 22668286 is 68286622.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22668281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5667070 + ... + 5667073.

It is an arithmetic number, because the mean of its divisors is an integer number (8500608).

Almost surely, 2^22668286 is an apocalyptic number.

22668286 is a deficient number, since it is larger than the sum of its proper divisors (11334146).

22668286 is a wasteful number, since it uses less digits than its factorization.

22668286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11334145.

The product of its digits is 110592, while the sum is 40.

The square root of 22668286 is about 4761.1223466742. The cubic root of 22668286 is about 283.0128975630.

The spelling of 22668286 in words is "twenty-two million, six hundred sixty-eight thousand, two hundred eighty-six".