2217263 has 4 divisors (see below), whose sum is σ = 2221128. Its totient is φ = 2213400.

The previous prime is 2217251. The next prime is 2217277. The reversal of 2217263 is 3627122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3627122 = 2 ⋅1813561.

It is a cyclic number.

It is not a de Polignac number, because 2217263 - 2⁴ = 2217247 is a prime.

It is a super-2 number, since 2×2217263² = 9832510422338, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2217233) 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, 881 + ... + 2282.

It is an arithmetic number, because the mean of its divisors is an integer number (555282).

2^2217263 is an apocalyptic number.

2217263 is a deficient number, since it is larger than the sum of its proper divisors (3865).

2217263 is an equidigital number, since it uses as much as digits as its factorization.

2217263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3864.

The product of its digits is 1008, while the sum is 23.

The square root of 2217263 is about 1489.0476822453. The cubic root of 2217263 is about 130.3984422449.

The spelling of 2217263 in words is "two million, two hundred seventeen thousand, two hundred sixty-three".