2263321 has 2 divisors, whose sum is σ = 2263322. Its totient is φ = 2263320.

The previous prime is 2263319. The next prime is 2263357. The reversal of 2263321 is 1233622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1334025 + 929296 = 1155^2 + 964^2 .

It is a cyclic number.

It is not a de Polignac number, because 2263321 - 2¹ = 2263319 is a prime.

Together with 2263319, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2263381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1131660 + 1131661.

It is an arithmetic number, because the mean of its divisors is an integer number (1131661).

2^2263321 is an apocalyptic number.

It is an amenable number.

2263321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2263321 is an equidigital number, since it uses as much as digits as its factorization.

2263321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 432, while the sum is 19.

The square root of 2263321 is about 1504.4337805301. The cubic root of 2263321 is about 131.2951602721.

Adding to 2263321 its reverse (1233622), we get a palindrome (3496943).

The spelling of 2263321 in words is "two million, two hundred sixty-three thousand, three hundred twenty-one".