202122212222 has 32 divisors (see below), whose sum is σ = 361213876224. Its totient is φ = 82999476000.

The previous prime is 202122212197. The next prime is 202122212231. The reversal of 202122212222 is 222212221202.

It is a junction number, because it is equal to n+sod(n) for n = 202122212194 and 202122212203.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2261708 + ... + 2349375.

It is an arithmetic number, because the mean of its divisors is an integer number (11287933632).

Almost surely, 2^202122212222 is an apocalyptic number.

202122212222 is a deficient number, since it is larger than the sum of its proper divisors (159091664002).

202122212222 is a wasteful number, since it uses less digits than its factorization.

202122212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4611224.

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

Adding to 202122212222 its reverse (222212221202), we get a palindrome (424334433424).

The spelling of 202122212222 in words is "two hundred two billion, one hundred twenty-two million, two hundred twelve thousand, two hundred twenty-two".