2265203321 has 8 divisors (see below), whose sum is σ = 2321102784. Its totient is φ = 2209450320.

The previous prime is 2265203249. The next prime is 2265203329. The reversal of 2265203321 is 1233025622.

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 2265203321 - 2¹⁸ = 2264941177 is a prime.

It is a super-2 number, since 2×2265203321² = 10262292170938858082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2265203329) 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, 4970 + ... + 67491.

It is an arithmetic number, because the mean of its divisors is an integer number (290137848).

Almost surely, 2^2265203321 is an apocalyptic number.

It is an amenable number.

2265203321 is a deficient number, since it is larger than the sum of its proper divisors (55899463).

2265203321 is an equidigital number, since it uses as much as digits as its factorization.

2265203321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73231.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 2265203321 is about 47594.1521722995. The cubic root of 2265203321 is about 1313.3154797505.

Adding to 2265203321 its reverse (1233025622), we get a palindrome (3498228943).

The spelling of 2265203321 in words is "two billion, two hundred sixty-five million, two hundred three thousand, three hundred twenty-one".