3220005421 has 8 divisors (see below), whose sum is σ = 3298106240. Its totient is φ = 3142050912.

The previous prime is 3220005337. The next prime is 3220005511. The reversal of 3220005421 is 1245000223.

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 3220005421 - 2⁷ = 3220005293 is a prime.

It is a super-2 number, since 2×3220005421² = 20736869822538774482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220005121) 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, 8641 + ... + 80713.

It is an arithmetic number, because the mean of its divisors is an integer number (412263280).

Almost surely, 2^3220005421 is an apocalyptic number.

It is an amenable number.

3220005421 is a deficient number, since it is larger than the sum of its proper divisors (78100819).

3220005421 is a wasteful number, since it uses less digits than its factorization.

3220005421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73155.

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

The square root of 3220005421 is about 56745.0916027104. The cubic root of 3220005421 is about 1476.6770806137.

Adding to 3220005421 its reverse (1245000223), we get a palindrome (4465005644).

The spelling of 3220005421 in words is "three billion, two hundred twenty million, five thousand, four hundred twenty-one".