22870 has 8 divisors (see below), whose sum is σ = 41184. Its totient is φ = 9144.

The previous prime is 22861. The next prime is 22871. The reversal of 22870 is 7822.

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

It is a plaindrome in base 12.

It is a nialpdrome in base 13.

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, 1134 + ... + 1153.

It is an arithmetic number, because the mean of its divisors is an integer number (5148).

2²²⁸⁷⁰ is an apocalyptic number.

22870 is a deficient number, since it is larger than the sum of its proper divisors (18314).

22870 is a wasteful number, since it uses less digits than its factorization.

22870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2294.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 22870 is about 151.2283042291. The cubic root of 22870 is about 28.3849884298.

The spelling of 22870 in words is "twenty-two thousand, eight hundred seventy".