2771231 has 8 divisors (see below), whose sum is σ = 2860704. Its totient is φ = 2682880.

The previous prime is 2771213. The next prime is 2771233. The reversal of 2771231 is 1321772.

2771231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2771231 - 2¹⁴ = 2754847 is a prime.

It is a super-2 number, since 2×2771231² = 15359442510722, 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 = 2771197 and 2771206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2771233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10406 + ... + 10668.

It is an arithmetic number, because the mean of its divisors is an integer number (357588).

2^2771231 is an apocalyptic number.

2771231 is a deficient number, since it is larger than the sum of its proper divisors (89473).

2771231 is a wasteful number, since it uses less digits than its factorization.

2771231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561.

The product of its digits is 588, while the sum is 23.

The square root of 2771231 is about 1664.7014747395. The cubic root of 2771231 is about 140.4615886858.

The spelling of 2771231 in words is "two million, seven hundred seventy-one thousand, two hundred thirty-one".