202222102220122 has 4 divisors (see below), whose sum is σ = 303333153330186. Its totient is φ = 101111051110060.

The previous prime is 202222102220107. The next prime is 202222102220123. The reversal of 202222102220122 is 221022201222202.

202222102220122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 162783940859761 + 39438161360361 = 12758681^2 + 6279981^2 .

It is a super-2 number, since 2×202222102220122² (a number of 29 digits) contains 22 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 = 202222102220093 and 202222102220102.

It is not an unprimeable number, because it can be changed into a prime (202222102220123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50555525555029 + ... + 50555525555032.

Almost surely, 2^{202222102220122} is an apocalyptic number.

202222102220122 is a deficient number, since it is larger than the sum of its proper divisors (101111051110064).

202222102220122 is a wasteful number, since it uses less digits than its factorization.

202222102220122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101111051110063.

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

Adding to 202222102220122 its reverse (221022201222202), we get a palindrome (423244303442324).

The spelling of 202222102220122 in words is "two hundred two trillion, two hundred twenty-two billion, one hundred two million, two hundred twenty thousand, one hundred twenty-two".