3220401 has 8 divisors (see below), whose sum is σ = 4302720. Its totient is φ = 2142512.

The previous prime is 3220381. The next prime is 3220409. The reversal of 3220401 is 1040223.

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 3220401 - 2⁹ = 3219889 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3220409) 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, 1411 + ... + 2903.

It is an arithmetic number, because the mean of its divisors is an integer number (537840).

Almost surely, 2^3220401 is an apocalyptic number.

It is an amenable number.

3220401 is a deficient number, since it is larger than the sum of its proper divisors (1082319).

3220401 is a wasteful number, since it uses less digits than its factorization.

3220401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2215.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 3220401 is about 1794.5475752958. The cubic root of 3220401 is about 147.6737548268.

Adding to 3220401 its reverse (1040223), we get a palindrome (4260624).

The spelling of 3220401 in words is "three million, two hundred twenty thousand, four hundred one".