3225918 has 16 divisors (see below), whose sum is σ = 6483456. Its totient is φ = 1070040.

The previous prime is 3225907. The next prime is 3225947. The reversal of 3225918 is 8195223.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133 + ... + 2543.

It is an arithmetic number, because the mean of its divisors is an integer number (405216).

Almost surely, 2^3225918 is an apocalyptic number.

3225918 is an abundant number, since it is smaller than the sum of its proper divisors (3257538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3225918 is a wasteful number, since it uses less digits than its factorization.

3225918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2639.

The product of its digits is 4320, while the sum is 30.

The square root of 3225918 is about 1796.0840737560. The cubic root of 3225918 is about 147.7580353565.

The spelling of 3225918 in words is "three million, two hundred twenty-five thousand, nine hundred eighteen".