2282861 has 6 divisors (see below), whose sum is σ = 2655630. Its totient is φ = 1956696.

The previous prime is 2282849. The next prime is 2282867. The reversal of 2282861 is 1682822.

It can be written as a sum of positive squares in only one way, i.e., 1416100 + 866761 = 1190^2 + 931^2 .

It is not a de Polignac number, because 2282861 - 2¹⁴ = 2266477 is a prime.

It is a super-2 number, since 2×2282861² = 10422908690642, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2282867) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23246 + ... + 23343.

It is an arithmetic number, because the mean of its divisors is an integer number (442605).

2^2282861 is an apocalyptic number.

It is an amenable number.

2282861 is a deficient number, since it is larger than the sum of its proper divisors (372769).

2282861 is an equidigital number, since it uses as much as digits as its factorization.

2282861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46603 (or 46596 counting only the distinct ones).

The product of its digits is 3072, while the sum is 29.

The square root of 2282861 is about 1510.9139618125. The cubic root of 2282861 is about 131.6719163283.

The spelling of 2282861 in words is "two million, two hundred eighty-two thousand, eight hundred sixty-one".