2872231 has 4 divisors (see below), whose sum is σ = 2885112. Its totient is φ = 2859352.

The previous prime is 2872187. The next prime is 2872237. The reversal of 2872231 is 1322782.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2872231 - 2⁹ = 2871719 is a prime.

It is a super-2 number, since 2×2872231² = 16499421834722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2872196 and 2872205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2872237) 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, 6100 + ... + 6553.

It is an arithmetic number, because the mean of its divisors is an integer number (721278).

2^2872231 is an apocalyptic number.

2872231 is a deficient number, since it is larger than the sum of its proper divisors (12881).

2872231 is a wasteful number, since it uses less digits than its factorization.

2872231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12880.

The product of its digits is 1344, while the sum is 25.

The square root of 2872231 is about 1694.7657655263. The cubic root of 2872231 is about 142.1476840817.

The spelling of 2872231 in words is "two million, eight hundred seventy-two thousand, two hundred thirty-one".