22955 has 4 divisors (see below), whose sum is σ = 27552. Its totient is φ = 18360.

The previous prime is 22943. The next prime is 22961. The reversal of 22955 is 55922.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 55922 = 2 ⋅27961.

It is not a de Polignac number, because 22955 - 2⁸ = 22699 is a prime.

It is a d-powerful number, because it can be written as 2¹³ + 2¹³ + 9⁴ + 5 + 5 .

It is a Duffinian number.

It is a plaindrome in base 12 and base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 22955.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2291 + ... + 2300.

It is an arithmetic number, because the mean of its divisors is an integer number (6888).

2²²⁹⁵⁵ is an apocalyptic number.

22955 is a deficient number, since it is larger than the sum of its proper divisors (4597).

22955 is an equidigital number, since it uses as much as digits as its factorization.

22955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4596.

The product of its digits is 900, while the sum is 23.

The square root of 22955 is about 151.5090756358. The cubic root of 22955 is about 28.4201107309.

The spelling of 22955 in words is "twenty-two thousand, nine hundred fifty-five".