2222871 has 16 divisors (see below), whose sum is σ = 3414528. Its totient is φ = 1260000.

The previous prime is 2222839. The next prime is 2222893. The reversal of 2222871 is 1782222.

It is a happy number.

2222871 is digitally balanced in base 8, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2222871 - 2⁵ = 2222839 is a prime.

2222871 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2222071) 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, 2821 + ... + 3521.

It is an arithmetic number, because the mean of its divisors is an integer number (213408).

2^2222871 is an apocalyptic number.

2222871 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2222871 is a deficient number, since it is larger than the sum of its proper divisors (1191657).

2222871 is a wasteful number, since it uses less digits than its factorization.

2222871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862.

The product of its digits is 896, while the sum is 24.

The square root of 2222871 is about 1490.9295758016. The cubic root of 2222871 is about 130.5082861989.

The spelling of 2222871 in words is "two million, two hundred twenty-two thousand, eight hundred seventy-one".