2276731 has 4 divisors (see below), whose sum is σ = 2280312. Its totient is φ = 2273152.

The previous prime is 2276723. The next prime is 2276737. The reversal of 2276731 is 1376722.

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 2276731 - 2³ = 2276723 is a prime.

It is a super-3 number, since 3×2276731³ = 35404333052926577673, which contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2276731.

It is not an unprimeable number, because it can be changed into a prime (2276737) 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, 550 + ... + 2203.

It is an arithmetic number, because the mean of its divisors is an integer number (570078).

2^2276731 is an apocalyptic number.

2276731 is a deficient number, since it is larger than the sum of its proper divisors (3581).

2276731 is an equidigital number, since it uses as much as digits as its factorization.

2276731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3580.

The product of its digits is 3528, while the sum is 28.

The square root of 2276731 is about 1508.8840247017. The cubic root of 2276731 is about 131.5539543519.

Subtracting from 2276731 its reverse (1376722), we obtain a palindrome (900009).

The spelling of 2276731 in words is "two million, two hundred seventy-six thousand, seven hundred thirty-one".