22768286 has 4 divisors (see below), whose sum is σ = 34152432. Its totient is φ = 11384142.

The previous prime is 22768271. The next prime is 22768301. The reversal of 22768286 is 68286722.

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

It is an interprime number because it is at equal distance from previous prime (22768271) and next prime (22768301).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5692070 + ... + 5692073.

It is an arithmetic number, because the mean of its divisors is an integer number (8538108).

Almost surely, 2^22768286 is an apocalyptic number.

22768286 is a deficient number, since it is larger than the sum of its proper divisors (11384146).

22768286 is a wasteful number, since it uses less digits than its factorization.

22768286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11384145.

The product of its digits is 129024, while the sum is 41.

The square root of 22768286 is about 4771.6125157016. The cubic root of 22768286 is about 283.4284528000.

The spelling of 22768286 in words is "twenty-two million, seven hundred sixty-eight thousand, two hundred eighty-six".