202220221222 has 16 divisors (see below), whose sum is σ = 319412939760. Its totient is φ = 95753169792.

The previous prime is 202220221211. The next prime is 202220221237. The reversal of 202220221222 is 222122022202.

202220221222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 202220221222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 877663 + ... + 1083850.

It is an arithmetic number, because the mean of its divisors is an integer number (19963308735).

Almost surely, 2^202220221222 is an apocalyptic number.

202220221222 is a deficient number, since it is larger than the sum of its proper divisors (117192718538).

202220221222 is a wasteful number, since it uses less digits than its factorization.

202220221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964247.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 202220221222 its reverse (222122022202), we get a palindrome (424342243424).

The spelling of 202220221222 in words is "two hundred two billion, two hundred twenty million, two hundred twenty-one thousand, two hundred twenty-two".