3221461 has 4 divisors (see below), whose sum is σ = 3228300. Its totient is φ = 3214624.

The previous prime is 3221453. The next prime is 3221473. The reversal of 3221461 is 1641223.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1641223 = 419 ⋅3917.

It can be written as a sum of positive squares in 2 ways, for example, as 2540836 + 680625 = 1594^2 + 825^2 .

It is a cyclic number.

It is not a de Polignac number, because 3221461 - 2³ = 3221453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221401) 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, 2656 + ... + 3673.

It is an arithmetic number, because the mean of its divisors is an integer number (807075).

Almost surely, 2^3221461 is an apocalyptic number.

It is an amenable number.

3221461 is a deficient number, since it is larger than the sum of its proper divisors (6839).

3221461 is an equidigital number, since it uses as much as digits as its factorization.

3221461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6838.

The product of its digits is 288, while the sum is 19.

The square root of 3221461 is about 1794.8428900603. The cubic root of 3221461 is about 147.6899553982.

Adding to 3221461 its reverse (1641223), we get a palindrome (4862684).

The spelling of 3221461 in words is "three million, two hundred twenty-one thousand, four hundred sixty-one".