202220112012222 has 64 divisors (see below), whose sum is σ = 406227025221120. Its totient is φ = 67109654836224.

The previous prime is 202220112012209. The next prime is 202220112012239. The reversal of 202220112012222 is 222210211022202.

It is a super-2 number, since 2×202220112012222² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4003302838 + ... + 4003353350.

It is an arithmetic number, because the mean of its divisors is an integer number (6347297269080).

Almost surely, 2^{202220112012222} is an apocalyptic number.

202220112012222 is an abundant number, since it is smaller than the sum of its proper divisors (204006913208898).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

202220112012222 is a wasteful number, since it uses less digits than its factorization.

202220112012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54177.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 202220112012222 its reverse (222210211022202), we get a palindrome (424430323034424).

The spelling of 202220112012222 in words is "two hundred two trillion, two hundred twenty billion, one hundred twelve million, twelve thousand, two hundred twenty-two".