201222322 has 48 divisors (see below), whose sum is σ = 364089600. Its totient is φ = 83334888.

The previous prime is 201222311. The next prime is 201222337. The reversal of 201222322 is 223222102.

It is a junction number, because it is equal to n+sod(n) for n = 201222296 and 201222305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2547079 + ... + 2547157.

It is an arithmetic number, because the mean of its divisors is an integer number (7585200).

Almost surely, 2^201222322 is an apocalyptic number.

201222322 is a deficient number, since it is larger than the sum of its proper divisors (162867278).

201222322 is an frugal number, since it uses more digits than its factorization.

201222322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228 (or 135 counting only the distinct ones).

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

The square root of 201222322 is about 14185.2854042490. The cubic root of 201222322 is about 585.9924925362.

Adding to 201222322 its reverse (223222102), we get a palindrome (424444424).

The spelling of 201222322 in words is "two hundred one million, two hundred twenty-two thousand, three hundred twenty-two".