3220452265 has 4 divisors (see below), whose sum is σ = 3864542724. Its totient is φ = 2576361808.

The previous prime is 3220452259. The next prime is 3220452269. The reversal of 3220452265 is 5622540223.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1910301849 + 1310150416 = 43707^2 + 36196^2 .

It is a cyclic number.

It is not a de Polignac number, because 3220452265 - 2¹¹ = 3220450217 is a prime.

It is a super-2 number, since 2×3220452265² = 20742625582287260450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3220452269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 322045222 + ... + 322045231.

It is an arithmetic number, because the mean of its divisors is an integer number (966135681).

Almost surely, 2^3220452265 is an apocalyptic number.

It is an amenable number.

3220452265 is a deficient number, since it is larger than the sum of its proper divisors (644090459).

3220452265 is an equidigital number, since it uses as much as digits as its factorization.

3220452265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644090458.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 3220452265 is about 56749.0287582087. The cubic root of 3220452265 is about 1476.7453842020.

Adding to 3220452265 its reverse (5622540223), we get a palindrome (8842992488).

The spelling of 3220452265 in words is "three billion, two hundred twenty million, four hundred fifty-two thousand, two hundred sixty-five".