201322222 has 4 divisors (see below), whose sum is σ = 301983336. Its totient is φ = 100661110.

The previous prime is 201322193. The next prime is 201322223. The reversal of 201322222 is 222223102.

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

It is a junction number, because it is equal to n+sod(n) for n = 201322196 and 201322205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201322223) 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 as a sum of consecutive naturals, namely, 50330554 + ... + 50330557.

It is an arithmetic number, because the mean of its divisors is an integer number (75495834).

Almost surely, 2^201322222 is an apocalyptic number.

201322222 is a deficient number, since it is larger than the sum of its proper divisors (100661114).

201322222 is a wasteful number, since it uses less digits than its factorization.

201322222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100661113.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 201322222 is about 14188.8062218074. The cubic root of 201322222 is about 586.0894515685.

Adding to 201322222 its reverse (222223102), we get a palindrome (423545324).

The spelling of 201322222 in words is "two hundred one million, three hundred twenty-two thousand, two hundred twenty-two".