3220421441 has 4 divisors (see below), whose sum is σ = 3220540500. Its totient is φ = 3220302384.

The previous prime is 3220421411. The next prime is 3220421507. The reversal of 3220421441 is 1441240223.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1441240223 = 5843 ⋅246661.

It can be written as a sum of positive squares in 2 ways, for example, as 1738556416 + 1481865025 = 41696^2 + 38495^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3220421441 is a prime.

It is a super-2 number, since 2×3220421441² = 20742228515305032962, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3220421411) 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, 2795 + ... + 80303.

It is an arithmetic number, because the mean of its divisors is an integer number (805135125).

Almost surely, 2^3220421441 is an apocalyptic number.

It is an amenable number.

3220421441 is a deficient number, since it is larger than the sum of its proper divisors (119059).

3220421441 is an equidigital number, since it uses as much as digits as its factorization.

3220421441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119058.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 3220421441 is about 56748.7571758184. The cubic root of 3220421441 is about 1476.7406727162.

Adding to 3220421441 its reverse (1441240223), we get a palindrome (4661661664).

The spelling of 3220421441 in words is "three billion, two hundred twenty million, four hundred twenty-one thousand, four hundred forty-one".