2266321 has 8 divisors (see below), whose sum is σ = 2482920. Its totient is φ = 2059008.

The previous prime is 2266307. The next prime is 2266331. The reversal of 2266321 is 1236622.

2266321 = 1064² + 1065².

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 192721 + 2073600 = 439^2 + 1440^2 .

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 2266321 - 2⁵ = 2266289 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2266292 and 2266301.

It is not an unprimeable number, because it can be changed into a prime (2266331) 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, 1806 + ... + 2791.

It is an arithmetic number, because the mean of its divisors is an integer number (310365).

2^2266321 is an apocalyptic number.

2266321 is the 1065-th centered square number.

It is an amenable number.

2266321 is a deficient number, since it is larger than the sum of its proper divisors (216599).

2266321 is a wasteful number, since it uses less digits than its factorization.

2266321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4643.

The product of its digits is 864, while the sum is 22.

The square root of 2266321 is about 1505.4305032116. The cubic root of 2266321 is about 131.3531446203.

The spelling of 2266321 in words is "two million, two hundred sixty-six thousand, three hundred twenty-one".