3221212302222 has 16 divisors (see below), whose sum is σ = 6445982011392. Its totient is φ = 1073144532920.

The previous prime is 3221212302221. The next prime is 3221212302247. The reversal of 3221212302222 is 2222032121223.

It is a super-2 number, since 2×3221212302222² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3221212302192 and 3221212302201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3221212302221) 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, 148213518 + ... + 148235249.

It is an arithmetic number, because the mean of its divisors is an integer number (402873875712).

Almost surely, 2^{3221212302222} is an apocalyptic number.

3221212302222 is an abundant number, since it is smaller than the sum of its proper divisors (3224769709170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3221212302222 is a wasteful number, since it uses less digits than its factorization.

3221212302222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296450583.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 3221212302222 its reverse (2222032121223), we get a palindrome (5443244423445).

The spelling of 3221212302222 in words is "three trillion, two hundred twenty-one billion, two hundred twelve million, three hundred two thousand, two hundred twenty-two".