3225681 has 12 divisors (see below), whose sum is σ = 4862208. Its totient is φ = 2056824.

The previous prime is 3225679. The next prime is 3225737. The reversal of 3225681 is 1865223.

It is not a de Polignac number, because 3225681 - 2¹ = 3225679 is a prime.

It is a super-2 number, since 2×3225681² = 20810035827522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3225671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7585 + ... + 7998.

It is an arithmetic number, because the mean of its divisors is an integer number (405184).

Almost surely, 2^3225681 is an apocalyptic number.

It is an amenable number.

3225681 is a deficient number, since it is larger than the sum of its proper divisors (1636527).

3225681 is a wasteful number, since it uses less digits than its factorization.

3225681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15612 (or 15609 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 3225681 is about 1796.0180956772. The cubic root of 3225681 is about 147.7544167987.

The spelling of 3225681 in words is "three million, two hundred twenty-five thousand, six hundred eighty-one".