202222212121222 has 16 divisors (see below), whose sum is σ = 321090601447440. Its totient is φ = 95354178609312.

The previous prime is 202222212121213. The next prime is 202222212121261. The reversal of 202222212121222 is 222121212222202.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40541740113 + ... + 40541745100.

It is an arithmetic number, because the mean of its divisors is an integer number (20068162590465).

Almost surely, 2^{202222212121222} is an apocalyptic number.

202222212121222 is a deficient number, since it is larger than the sum of its proper divisors (118868389326218).

202222212121222 is a wasteful number, since it uses less digits than its factorization.

202222212121222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81083485287.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 202222212121222 its reverse (222121212222202), we get a palindrome (424343424343424).

The spelling of 202222212121222 in words is "two hundred two trillion, two hundred twenty-two billion, two hundred twelve million, one hundred twenty-one thousand, two hundred twenty-two".