22768 has 10 divisors (see below), whose sum is σ = 44144. Its totient is φ = 11376.

The previous prime is 22751. The next prime is 22769. The reversal of 22768 is 86722.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22769) 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 as a sum of consecutive naturals, namely, 696 + ... + 727.

2²²⁷⁶⁸ is an apocalyptic number.

It is an amenable number.

22768 is a deficient number, since it is larger than the sum of its proper divisors (21376).

22768 is a wasteful number, since it uses less digits than its factorization.

22768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431 (or 1425 counting only the distinct ones).

The product of its digits is 1344, while the sum is 25.

The square root of 22768 is about 150.8906889109. The cubic root of 22768 is about 28.3427266049.

The spelling of 22768 in words is "twenty-two thousand, seven hundred sixty-eight".