3225226321 has 4 divisors (see below), whose sum is σ = 3225545892. Its totient is φ = 3224906752.

The previous prime is 3225226283. The next prime is 3225226373. The reversal of 3225226321 is 1236225223.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1236225223 = 31 ⋅39878233.

It can be written as a sum of positive squares in 2 ways, for example, as 2905210000 + 320016321 = 53900^2 + 17889^2 .

It is a cyclic number.

It is not a de Polignac number, because 3225226321 - 2¹⁵ = 3225193553 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3225226321.

It is not an unprimeable number, because it can be changed into a prime (3225220321) 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, 144136 + ... + 165001.

It is an arithmetic number, because the mean of its divisors is an integer number (806386473).

Almost surely, 2^3225226321 is an apocalyptic number.

It is an amenable number.

3225226321 is a deficient number, since it is larger than the sum of its proper divisors (319571).

3225226321 is a wasteful number, since it uses less digits than its factorization.

3225226321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319570.

The product of its digits is 8640, while the sum is 28.

The square root of 3225226321 is about 56791.0760683402. The cubic root of 3225226321 is about 1477.4747418340.

Subtracting from 3225226321 its product of digits (8640), we obtain a square (3225217681 = 56791²).

The spelling of 3225226321 in words is "three billion, two hundred twenty-five million, two hundred twenty-six thousand, three hundred twenty-one".