201220222202 has 16 divisors (see below), whose sum is σ = 304055952552. Its totient is φ = 99868346880.

The previous prime is 201220222163. The next prime is 201220222207. The reversal of 201220222202 is 202222022102.

It can be written as a sum of positive squares in 4 ways, for example, as 198417684481 + 2802537721 = 445441^2 + 52939^2 .

It is not an unprimeable number, because it can be changed into a prime (201220222207) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 6983858 + ... + 7012610.

Almost surely, 2^201220222202 is an apocalyptic number.

201220222202 is a deficient number, since it is larger than the sum of its proper divisors (102835730350).

201220222202 is a wasteful number, since it uses less digits than its factorization.

201220222202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54433.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 201220222202 its reverse (202222022102), we get a palindrome (403442244304).

The spelling of 201220222202 in words is "two hundred one billion, two hundred twenty million, two hundred twenty-two thousand, two hundred two".