2290 has 8 divisors (see below), whose sum is σ = 4140.
Its totient is φ = 912.
The previous prime is 2287. The next prime is 2293. The reversal of 2290 is 922.
2290 = T4 + T5 + ... +
2290 is nontrivially palindromic in base 4 and base 15.
2290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (2287) and next prime (2293).
It can be written as a sum of positive squares in 2 ways, for example, as 2209 + 81 = 47^2 + 9^2
It is a sphenic number, since it is the product of 3 distinct primes.
2290 is an undulating number in base 15.
It is a plaindrome in base 12.
It is a nialpdrome in base 14.
It is a self number, because there is not a number n which added to its sum of digits gives 2290.
It is not an unprimeable number, because it can be changed into a prime (2293) 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, 105 + ... + 124.
22290 is an apocalyptic number.
2290 is a deficient number, since it is larger than the sum of its proper divisors (1850).
2290 is a wasteful number, since it uses less digits than its factorization.
2290 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 236.
The product of its (nonzero) digits is 36, while the sum is 13.
The square root of 2290 is about 47.8539444560.
The cubic root of 2290 is about 13.1809029019.
It can be divided in two parts, 2 and 290, that added together give a palindrome (292).
The spelling of 2290 in words is "two thousand, two hundred ninety".