3222121213 has 8 divisors (see below), whose sum is σ = 3412019520. Its totient is φ = 3034254240.

The previous prime is 3222121207. The next prime is 3222121229. The reversal of 3222121213 is 3121212223.

3222121213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 3222121213 - 2⁹ = 3222120701 is a prime.

It is a super-2 number, since 2×3222121213² = 20764130222529182738, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3222101213) 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, 504568 + ... + 510913.

It is an arithmetic number, because the mean of its divisors is an integer number (426502440).

Almost surely, 2^3222121213 is an apocalyptic number.

It is an amenable number.

3222121213 is a deficient number, since it is larger than the sum of its proper divisors (189898307).

3222121213 is a wasteful number, since it uses less digits than its factorization.

3222121213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1015667.

The product of its digits is 288, while the sum is 19.

The square root of 3222121213 is about 56763.7314929172. The cubic root of 3222121213 is about 1477.0004400582. Note that the first 3 decimals are identical.

Adding to 3222121213 its reverse (3121212223), we get a palindrome (6343333436).

The spelling of 3222121213 in words is "three billion, two hundred twenty-two million, one hundred twenty-one thousand, two hundred thirteen".