2286290 has 16 divisors (see below), whose sum is σ = 4159512. Its totient is φ = 904704.

The previous prime is 2286257. The next prime is 2286293. The reversal of 2286290 is 926822.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1423249 + 863041 = 1193^2 + 929^2 .

It is not an unprimeable number, because it can be changed into a prime (2286293) 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, 209 + ... + 2148.

2^2286290 is an apocalyptic number.

2286290 is a deficient number, since it is larger than the sum of its proper divisors (1873222).

2286290 is a wasteful number, since it uses less digits than its factorization.

2286290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2461.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 2286290 is about 1512.0482796525. The cubic root of 2286290 is about 131.7378098317.

The spelling of 2286290 in words is "two million, two hundred eighty-six thousand, two hundred ninety".