2862281 has 4 divisors (see below), whose sum is σ = 2986752. Its totient is φ = 2737812.

The previous prime is 2862259. The next prime is 2862289. The reversal of 2862281 is 1822682.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1822682 = 2 ⋅911341.

It is a cyclic number.

It is not a de Polignac number, because 2862281 - 2¹⁸ = 2600137 is a prime.

It is a super-2 number, since 2×2862281² = 16385305045922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2862289) 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, 62201 + ... + 62246.

It is an arithmetic number, because the mean of its divisors is an integer number (746688).

2^2862281 is an apocalyptic number.

It is an amenable number.

2862281 is a deficient number, since it is larger than the sum of its proper divisors (124471).

2862281 is a wasteful number, since it uses less digits than its factorization.

2862281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124470.

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

The square root of 2862281 is about 1691.8277099043. The cubic root of 2862281 is about 141.9833512188.

The spelling of 2862281 in words is "two million, eight hundred sixty-two thousand, two hundred eighty-one".