2286621 has 12 divisors (see below), whose sum is σ = 3417180. Its totient is φ = 1471680.

The previous prime is 2286617. The next prime is 2286623. The reversal of 2286621 is 1266822.

It can be written as a sum of positive squares in 2 ways, for example, as 622521 + 1664100 = 789^2 + 1290^2 .

It is not a de Polignac number, because 2286621 - 2² = 2286617 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2286623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4120 + ... + 4641.

It is an arithmetic number, because the mean of its divisors is an integer number (284765).

2^2286621 is an apocalyptic number.

It is an amenable number.

2286621 is a deficient number, since it is larger than the sum of its proper divisors (1130559).

2286621 is a wasteful number, since it uses less digits than its factorization.

2286621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8796 (or 8793 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 2286621 is about 1512.1577298682. The cubic root of 2286621 is about 131.7441670175.

The spelling of 2286621 in words is "two million, two hundred eighty-six thousand, six hundred twenty-one".