2159223 has 16 divisors (see below), whose sum is σ = 3196800. Its totient is φ = 1285280.

The previous prime is 2159207. The next prime is 2159231. The reversal of 2159223 is 3229512.

It is a cyclic number.

It is not a de Polignac number, because 2159223 - 2⁴ = 2159207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2159193 and 2159202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2159233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1393 + ... + 2501.

It is an arithmetic number, because the mean of its divisors is an integer number (199800).

2^2159223 is an apocalyptic number.

2159223 is a deficient number, since it is larger than the sum of its proper divisors (1037577).

2159223 is a wasteful number, since it uses less digits than its factorization.

2159223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182.

The product of its digits is 1080, while the sum is 24.

The square root of 2159223 is about 1469.4294811252. The cubic root of 2159223 is about 129.2505795823.

The spelling of 2159223 in words is "two million, one hundred fifty-nine thousand, two hundred twenty-three".