2122863 has 8 divisors (see below), whose sum is σ = 2843568. Its totient is φ = 1408704.

The previous prime is 2122859. The next prime is 2122873. The reversal of 2122863 is 3682212.

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

It is not a de Polignac number, because 2122863 - 2² = 2122859 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 820 + ... + 2217.

It is an arithmetic number, because the mean of its divisors is an integer number (355446).

2^2122863 is an apocalyptic number.

2122863 is a deficient number, since it is larger than the sum of its proper divisors (720705).

2122863 is a wasteful number, since it uses less digits than its factorization.

2122863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3273.

The product of its digits is 1152, while the sum is 24.

The square root of 2122863 is about 1457.0048043847. The cubic root of 2122863 is about 128.5209683820.

The spelling of 2122863 in words is "two million, one hundred twenty-two thousand, eight hundred sixty-three".