3221430030 has 288 divisors, whose sum is σ = 10634760864. Its totient is φ = 670505472.

The previous prime is 3221430019. The next prime is 3221430041. The reversal of 3221430030 is 300341223.

3221430030 is a `hidden beast` number, since 322 + 14 + 300 + 30 = 666.

It is an interprime number because it is at equal distance from previous prime (3221430019) and next prime (3221430041).

It is a super-2 number, since 2×3221430030² = 20755222876371601800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 3221429985 and 3221430012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4758052 + ... + 4758728.

It is an arithmetic number, because the mean of its divisors is an integer number (36926253).

Almost surely, 2^3221430030 is an apocalyptic number.

3221430030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3221430030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5317380432).

3221430030 is an abundant number, since it is smaller than the sum of its proper divisors (7413330834).

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

3221430030 is a wasteful number, since it uses less digits than its factorization.

3221430030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800 (or 790 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 3221430030 is about 56757.6429214604. The cubic root of 3221430030 is about 1476.8948211679.

Adding to 3221430030 its reverse (300341223), we get a palindrome (3521771253).

The spelling of 3221430030 in words is "three billion, two hundred twenty-one million, four hundred thirty thousand, thirty".