3220430430 has 64 divisors (see below), whose sum is σ = 9013478400. Its totient is φ = 736096032.

The previous prime is 3220430413. The next prime is 3220430489. The reversal of 3220430430 is 340340223.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 3220430397 and 3220430406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146194 + ... + 166773.

It is an arithmetic number, because the mean of its divisors is an integer number (140835600).

Almost surely, 2^3220430430 is an apocalyptic number.

3220430430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3220430430 is an abundant number, since it is smaller than the sum of its proper divisors (5793047970).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3220430430 is a wasteful number, since it uses less digits than its factorization.

3220430430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312998 (or 312984 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 3220430430 is about 56748.8363757355. The cubic root of 3220430430 is about 1476.7420466989.

Adding to 3220430430 its reverse (340340223), we get a palindrome (3560770653).

The spelling of 3220430430 in words is "three billion, two hundred twenty million, four hundred thirty thousand, four hundred thirty".