22874 has 4 divisors (see below), whose sum is σ = 34314. Its totient is φ = 11436.

The previous prime is 22871. The next prime is 22877. The reversal of 22874 is 47822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47822 = 2 ⋅23911.

It is an interprime number because it is at equal distance from previous prime (22871) and next prime (22877).

It can be written as a sum of positive squares in only one way, i.e., 21025 + 1849 = 145^2 + 43^2 .

It is an Ulam number.

It is a plaindrome in base 7.

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 as a sum of consecutive naturals, namely, 5717 + ... + 5720.

2²²⁸⁷⁴ is an apocalyptic number.

22874 is a deficient number, since it is larger than the sum of its proper divisors (11440).

22874 is a wasteful number, since it uses less digits than its factorization.

22874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11439.

The product of its digits is 896, while the sum is 23.

The square root of 22874 is about 151.2415286884. The cubic root of 22874 is about 28.3866431935.

The spelling of 22874 in words is "twenty-two thousand, eight hundred seventy-four".