202220222212 has 12 divisors (see below), whose sum is σ = 353889973836. Its totient is φ = 101108801120.

The previous prime is 202220222173. The next prime is 202220222227. The reversal of 202220222212 is 212222022202.

It can be written as a sum of positive squares in 2 ways, for example, as 37104775876 + 165115446336 = 192626^2 + 406344^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 202220222212.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74718 + ... + 640330.

It is an arithmetic number, because the mean of its divisors is an integer number (29490831153).

Almost surely, 2^202220222212 is an apocalyptic number.

It is an amenable number.

202220222212 is a deficient number, since it is larger than the sum of its proper divisors (151669751624).

202220222212 is a wasteful number, since it uses less digits than its factorization.

202220222212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654998 (or 654996 counting only the distinct ones).

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

Adding to 202220222212 its reverse (212222022202), we get a palindrome (414442244414).

The spelling of 202220222212 in words is "two hundred two billion, two hundred twenty million, two hundred twenty-two thousand, two hundred twelve".