2158882 has 16 divisors (see below), whose sum is σ = 3566304. Its totient is φ = 980100.

The previous prime is 2158859. The next prime is 2158889. The reversal of 2158882 is 2888512.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2158889) 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, 2257 + ... + 3067.

It is an arithmetic number, because the mean of its divisors is an integer number (222894).

2^2158882 is an apocalyptic number.

2158882 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2158882 is a deficient number, since it is larger than the sum of its proper divisors (1407422).

2158882 is an equidigital number, since it uses as much as digits as its factorization.

2158882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846 (or 824 counting only the distinct ones).

The product of its digits is 10240, while the sum is 34.

The square root of 2158882 is about 1469.3134451165. The cubic root of 2158882 is about 129.2437751642.

The spelling of 2158882 in words is "two million, one hundred fifty-eight thousand, eight hundred eighty-two".