2266001321 has 8 divisors (see below), whose sum is σ = 2296009800. Its totient is φ = 2236094080.

The previous prime is 2266001299. The next prime is 2266001341. The reversal of 2266001321 is 1231006622.

It can be written as a sum of positive squares in 4 ways, for example, as 509134096 + 1756867225 = 22564^2 + 41915^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2266001321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2266001341) 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, 20291 + ... + 70311.

It is an arithmetic number, because the mean of its divisors is an integer number (287001225).

Almost surely, 2^2266001321 is an apocalyptic number.

It is an amenable number.

2266001321 is a deficient number, since it is larger than the sum of its proper divisors (30008479).

2266001321 is an equidigital number, since it uses as much as digits as its factorization.

2266001321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50619.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 2266001321 is about 47602.5348169612. The cubic root of 2266001321 is about 1313.4696826424.

Adding to 2266001321 its reverse (1231006622), we get a palindrome (3497007943).

The spelling of 2266001321 in words is "two billion, two hundred sixty-six million, one thousand, three hundred twenty-one".