2288223 has 16 divisors (see below), whose sum is σ = 3874560. Its totient is φ = 1307448.

The previous prime is 2288213. The next prime is 2288239. The reversal of 2288223 is 3228822.

It is not a de Polignac number, because 2288223 - 2⁴ = 2288207 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2288213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5865 + ... + 6242.

It is an arithmetic number, because the mean of its divisors is an integer number (242160).

2^2288223 is an apocalyptic number.

2288223 is a deficient number, since it is larger than the sum of its proper divisors (1586337).

2288223 is a wasteful number, since it uses less digits than its factorization.

2288223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12123 (or 12117 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 2288223 is about 1512.6873437694. The cubic root of 2288223 is about 131.7749263617.

The spelling of 2288223 in words is "two million, two hundred eighty-eight thousand, two hundred twenty-three".