2122202221222 has 4 divisors (see below), whose sum is σ = 3183303331836. Its totient is φ = 1061101110610.

The previous prime is 2122202221219. The next prime is 2122202221229. The reversal of 2122202221222 is 2221222022212.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×2122202221222³ (a number of 38 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 2122202221193 and 2122202221202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122202221229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 530550555304 + ... + 530550555307.

It is an arithmetic number, because the mean of its divisors is an integer number (795825832959).

Almost surely, 2^{2122202221222} is an apocalyptic number.

2122202221222 is a deficient number, since it is larger than the sum of its proper divisors (1061101110614).

2122202221222 is a wasteful number, since it uses less digits than its factorization.

2122202221222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1061101110613.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 2122202221222 its reverse (2221222022212), we get a palindrome (4343424243434).

It can be divided in two parts, 21222022212 and 22, that multiplied together give a palindrome (466884488664).

The spelling of 2122202221222 in words is "two trillion, one hundred twenty-two billion, two hundred two million, two hundred twenty-one thousand, two hundred twenty-two".