3222000021 has 24 divisors (see below), whose sum is σ = 4720972320. Its totient is φ = 1951919872.

The previous prime is 3221999999. The next prime is 3222000043. The reversal of 3222000021 is 1200002223.

It is an interprime number because it is at equal distance from previous prime (3221999999) and next prime (3222000043).

It is not a de Polignac number, because 3222000021 - 2⁹ = 3221999509 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3221999970 and 3222000006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3222000521) 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 23 ways as a sum of consecutive naturals, for example, 38931 + ... + 89216.

It is an arithmetic number, because the mean of its divisors is an integer number (196707180).

Almost surely, 2^3222000021 is an apocalyptic number.

It is an amenable number.

3222000021 is a deficient number, since it is larger than the sum of its proper divisors (1498972299).

3222000021 is a wasteful number, since it uses less digits than its factorization.

3222000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128213 (or 128196 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 3222000021 is about 56762.6639702543. The cubic root of 3222000021 is about 1476.9819219382.

Adding to 3222000021 its reverse (1200002223), we get a palindrome (4422002244).

The spelling of 3222000021 in words is "three billion, two hundred twenty-two million, twenty-one", and thus it is an aban number.