3221421099 has 16 divisors (see below), whose sum is σ = 4670545152. Its totient is φ = 1963163808.

The previous prime is 3221421061. The next prime is 3221421109. The reversal of 3221421099 is 9901241223.

It is not a de Polignac number, because 3221421099 - 2⁷ = 3221420971 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3221421019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 396957 + ... + 404990.

It is an arithmetic number, because the mean of its divisors is an integer number (291909072).

Almost surely, 2^3221421099 is an apocalyptic number.

3221421099 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

3221421099 is a deficient number, since it is larger than the sum of its proper divisors (1449124053).

3221421099 is a wasteful number, since it uses less digits than its factorization.

3221421099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 802066.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 3221421099 is about 56757.5642447771. The cubic root of 3221421099 is about 1476.8934563331.

The spelling of 3221421099 in words is "three billion, two hundred twenty-one million, four hundred twenty-one thousand, ninety-nine".