2263289 has 8 divisors (see below), whose sum is σ = 2596608. Its totient is φ = 1932480.

The previous prime is 2263273. The next prime is 2263307. The reversal of 2263289 is 9823622.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2263289 - 2⁴ = 2263273 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2263229) 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, 2129 + ... + 3009.

It is an arithmetic number, because the mean of its divisors is an integer number (324576).

2^2263289 is an apocalyptic number.

It is an amenable number.

2263289 is a deficient number, since it is larger than the sum of its proper divisors (333319).

2263289 is an equidigital number, since it uses as much as digits as its factorization.

2263289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1255.

The product of its digits is 10368, while the sum is 32.

The square root of 2263289 is about 1504.4231452620. The cubic root of 2263289 is about 131.2945414963.

It can be divided in two parts, 2263 and 289, that added together give a palindrome (2552).

The spelling of 2263289 in words is "two million, two hundred sixty-three thousand, two hundred eighty-nine".