3220300021 has 8 divisors (see below), whose sum is σ = 3411944640. Its totient is φ = 3028901568.

The previous prime is 3220300003. The next prime is 3220300043. The reversal of 3220300021 is 1200030223.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3220300021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3220299974 and 3220300010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220300001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34251 + ... + 87256.

It is an arithmetic number, because the mean of its divisors is an integer number (426493080).

Almost surely, 2^3220300021 is an apocalyptic number.

It is an amenable number.

3220300021 is a deficient number, since it is larger than the sum of its proper divisors (191644619).

3220300021 is a wasteful number, since it uses less digits than its factorization.

3220300021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123083.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 3220300021 is about 56747.6873625701. The cubic root of 3220300021 is about 1476.7221132296.

Adding to 3220300021 its reverse (1200030223), we get a palindrome (4420330244).

The spelling of 3220300021 in words is "three billion, two hundred twenty million, three hundred thousand, twenty-one".