3225421 has 8 divisors (see below), whose sum is σ = 3460320. Its totient is φ = 2997072.

The previous prime is 3225413. The next prime is 3225433. The reversal of 3225421 is 1245223.

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 3225421 - 2³ = 3225413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3225821) 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, 595 + ... + 2608.

It is an arithmetic number, because the mean of its divisors is an integer number (432540).

Almost surely, 2^3225421 is an apocalyptic number.

It is an amenable number.

3225421 is a deficient number, since it is larger than the sum of its proper divisors (234899).

3225421 is a wasteful number, since it uses less digits than its factorization.

3225421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3275.

The product of its digits is 480, while the sum is 19.

The square root of 3225421 is about 1795.9457118744. The cubic root of 3225421 is about 147.7504468690.

The spelling of 3225421 in words is "three million, two hundred twenty-five thousand, four hundred twenty-one".