3220211021 has 8 divisors (see below), whose sum is σ = 3231352800. Its totient is φ = 3209083920.

The previous prime is 3220211003. The next prime is 3220211107. The reversal of 3220211021 is 1201120223.

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 not a de Polignac number, because 3220211021 - 2²⁶ = 3153102157 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3220210987 and 3220211005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3220211221) 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, 595751 + ... + 601131.

It is an arithmetic number, because the mean of its divisors is an integer number (403919100).

Almost surely, 2^3220211021 is an apocalyptic number.

It is an amenable number.

3220211021 is a deficient number, since it is larger than the sum of its proper divisors (11141779).

3220211021 is a wasteful number, since it uses less digits than its factorization.

3220211021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7339.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 3220211021 is about 56746.9031842267. The cubic root of 3220211021 is about 1476.7085089611.

Adding to 3220211021 its reverse (1201120223), we get a palindrome (4421331244).

The spelling of 3220211021 in words is "three billion, two hundred twenty million, two hundred eleven thousand, twenty-one".