22655 has 8 divisors (see below), whose sum is σ = 28512. Its totient is φ = 17248.

The previous prime is 22651. The next prime is 22669. The reversal of 22655 is 55622.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22655 - 2² = 22651 is a prime.

It is a Duffinian number.

22655 is an undulating number in base 14.

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 (22651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17 + ... + 213.

It is an arithmetic number, because the mean of its divisors is an integer number (3564).

2²²⁶⁵⁵ is an apocalyptic number.

22655 is a deficient number, since it is larger than the sum of its proper divisors (5857).

22655 is a wasteful number, since it uses less digits than its factorization.

22655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225.

The product of its digits is 600, while the sum is 20.

The square root of 22655 is about 150.5157799036. The cubic root of 22655 is about 28.2957594981.

It can be divided in two parts, 2265 and 5, that multiplied together give a triangular number (11325 = T₁₅₀).

The spelling of 22655 in words is "twenty-two thousand, six hundred fifty-five".