22055 has 8 divisors (see below), whose sum is σ = 28944. Its totient is φ = 16000.

The previous prime is 22051. The next prime is 22063. The reversal of 22055 is 55022.

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

It is not a de Polignac number, because 22055 - 2² = 22051 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22051) 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, 146 + ... + 255.

It is an arithmetic number, because the mean of its divisors is an integer number (3618).

2²²⁰⁵⁵ is an apocalyptic number.

22055 is a deficient number, since it is larger than the sum of its proper divisors (6889).

22055 is a wasteful number, since it uses less digits than its factorization.

22055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417.

The product of its (nonzero) digits is 100, while the sum is 14.

The square root of 22055 is about 148.5092589706. The cubic root of 22055 is about 28.0437242027.

Adding to 22055 its product of nonzero digits (100), we get a triangular number (22155 = T₂₁₀).

Adding to 22055 its reverse (55022), we get a palindrome (77077).

It can be divided in two parts, 2205 and 5, that multiplied together give a square (11025 = 105²).

The spelling of 22055 in words is "twenty-two thousand, fifty-five".