3122221242222 has 20 divisors (see below), whose sum is σ = 6996088339416. Its totient is φ = 1040740414020.

The previous prime is 3122221242211. The next prime is 3122221242229. The reversal of 3122221242222 is 2222421222213.

3122221242222 is a `hidden beast` number, since 3 + 1 + 2 + 2 + 2 + 212 + 422 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3122221242229) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9636485154 + ... + 9636485477.

Almost surely, 2^{3122221242222} is an apocalyptic number.

3122221242222 is an abundant number, since it is smaller than the sum of its proper divisors (3873867097194).

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

3122221242222 is a wasteful number, since it uses less digits than its factorization.

3122221242222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19272970645 (or 19272970636 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

Adding to 3122221242222 its reverse (2222421222213), we get a palindrome (5344642464435).

The spelling of 3122221242222 in words is "three trillion, one hundred twenty-two billion, two hundred twenty-one million, two hundred forty-two thousand, two hundred twenty-two".