3221432130 has 64 divisors (see below), whose sum is σ = 8844853248. Its totient is φ = 735583680.

The previous prime is 3221432069. The next prime is 3221432131. The reversal of 3221432130 is 312341223.

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 = 3221432097 and 3221432106.

It is not an unprimeable number, because it can be changed into a prime (3221432131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216015 + ... + 230445.

It is an arithmetic number, because the mean of its divisors is an integer number (138200832).

Almost surely, 2^3221432130 is an apocalyptic number.

3221432130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3221432130 is an abundant number, since it is smaller than the sum of its proper divisors (5623421118).

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

3221432130 is a wasteful number, since it uses less digits than its factorization.

3221432130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15511.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 3221432130 is about 56757.6614211685. The cubic root of 3221432130 is about 1476.8951420894.

Adding to 3221432130 its reverse (312341223), we get a palindrome (3533773353).

The spelling of 3221432130 in words is "three billion, two hundred twenty-one million, four hundred thirty-two thousand, one hundred thirty".