202202122 has 4 divisors (see below), whose sum is σ = 303303186. Its totient is φ = 101101060.

The previous prime is 202202111. The next prime is 202202141. The reversal of 202202122 is 221202202.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 123187801 + 79014321 = 11099^2 + 8889^2 .

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50550529 + ... + 50550532.

Almost surely, 2^202202122 is an apocalyptic number.

202202122 is a deficient number, since it is larger than the sum of its proper divisors (101101064).

202202122 is a wasteful number, since it uses less digits than its factorization.

202202122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101101063.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 202202122 is about 14219.7792528576. The cubic root of 202202122 is about 586.9420658752.

Adding to 202202122 its reverse (221202202), we get a palindrome (423404324).

The spelling of 202202122 in words is "two hundred two million, two hundred two thousand, one hundred twenty-two".