22726 has 8 divisors (see below), whose sum is σ = 37224. Its totient is φ = 10320.

The previous prime is 22721. The next prime is 22727. The reversal of 22726 is 62722.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a plaindrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22721) 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 in 3 ways as a sum of consecutive naturals, for example, 495 + ... + 538.

It is an arithmetic number, because the mean of its divisors is an integer number (4653).

2²²⁷²⁶ is an apocalyptic number.

22726 is a deficient number, since it is larger than the sum of its proper divisors (14498).

22726 is a wasteful number, since it uses less digits than its factorization.

22726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1046.

The product of its digits is 336, while the sum is 19.

The square root of 22726 is about 150.7514510710. The cubic root of 22726 is about 28.3252879887.

It can be divided in two parts, 2272 and 6, that added together give a triangular number (2278 = T₆₇).

The spelling of 22726 in words is "twenty-two thousand, seven hundred twenty-six".