202222212122 has 16 divisors (see below), whose sum is σ = 346674105792. Its totient is φ = 86664798240.

The previous prime is 202222212121. The next prime is 202222212151. The reversal of 202222212122 is 221212222202.

It is a junction number, because it is equal to n+sod(n) for n = 202222212094 and 202222212103.

It is not an unprimeable number, because it can be changed into a prime (202222212121) 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, 670013 + ... + 923775.

It is an arithmetic number, because the mean of its divisors is an integer number (21667131612).

Almost surely, 2^202222212122 is an apocalyptic number.

202222212122 is a deficient number, since it is larger than the sum of its proper divisors (144451893670).

202222212122 is a wasteful number, since it uses less digits than its factorization.

202222212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310693.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 202222212122 its reverse (221212222202), we get a palindrome (423434434324).

The spelling of 202222212122 in words is "two hundred two billion, two hundred twenty-two million, two hundred twelve thousand, one hundred twenty-two".