2273831 has 8 divisors (see below), whose sum is σ = 2616480. Its totient is φ = 1935648.

The previous prime is 2273827. The next prime is 2273833. The reversal of 2273831 is 1383722.

2273831 = 319² + 320² + ... + 339².

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 2273831 - 2² = 2273827 is a prime.

It is a super-2 number, since 2×2273831² = 10340614833122, which contains 22 as substring.

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 2273831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2273833) 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, 65 + ... + 2133.

It is an arithmetic number, because the mean of its divisors is an integer number (327060).

2^2273831 is an apocalyptic number.

2273831 is a deficient number, since it is larger than the sum of its proper divisors (342649).

2273831 is a wasteful number, since it uses less digits than its factorization.

2273831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2233.

The product of its digits is 2016, while the sum is 26.

The square root of 2273831 is about 1507.9227433791. The cubic root of 2273831 is about 131.4980747356.

The spelling of 2273831 in words is "two million, two hundred seventy-three thousand, eight hundred thirty-one".