22879 has 4 divisors (see below), whose sum is σ = 23184. Its totient is φ = 22576.

The previous prime is 22877. The next prime is 22901. The reversal of 22879 is 97822.

22879 = T₁₂₂ + T₁₂₃ + T₁₂₄.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 22879 - 2¹ = 22877 is a prime.

It is an Ulam number.

It is a Duffinian number.

22879 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54 + ... + 220.

It is an arithmetic number, because the mean of its divisors is an integer number (5796).

2²²⁸⁷⁹ is an apocalyptic number.

22879 is the 124-th centered triangular number.

22879 is a deficient number, since it is larger than the sum of its proper divisors (305).

22879 is a wasteful number, since it uses less digits than its factorization.

22879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304.

The product of its digits is 2016, while the sum is 28.

The square root of 22879 is about 151.2580576366. The cubic root of 22879 is about 28.3887113768.

The spelling of 22879 in words is "twenty-two thousand, eight hundred seventy-nine".