2286121 has 4 divisors (see below), whose sum is σ = 2289412. Its totient is φ = 2282832.

The previous prime is 2286091. The next prime is 2286139. The reversal of 2286121 is 1216822.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1216822 = 2 ⋅608411.

It can be written as a sum of positive squares in 2 ways, for example, as 1354896 + 931225 = 1164^2 + 965^2 .

It is a cyclic number.

It is not a de Polignac number, because 2286121 - 2¹⁵ = 2253353 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2286092 and 2286101.

It is not an unprimeable number, because it can be changed into a prime (2287121) 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, 150 + ... + 2143.

It is an arithmetic number, because the mean of its divisors is an integer number (572353).

2^2286121 is an apocalyptic number.

It is an amenable number.

2286121 is a deficient number, since it is larger than the sum of its proper divisors (3291).

2286121 is an equidigital number, since it uses as much as digits as its factorization.

2286121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3290.

The product of its digits is 384, while the sum is 22.

The square root of 2286121 is about 1511.9923941608. The cubic root of 2286121 is about 131.7345637812.

The spelling of 2286121 in words is "two million, two hundred eighty-six thousand, one hundred twenty-one".