201222422 has 8 divisors (see below), whose sum is σ = 301928016. Its totient is φ = 100579752.

The previous prime is 201222409. The next prime is 201222451. The reversal of 201222422 is 224222102.

201222422 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 201222422.

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 3 ways as a sum of consecutive naturals, for example, 6698 + ... + 21149.

It is an arithmetic number, because the mean of its divisors is an integer number (37741002).

Almost surely, 2^201222422 is an apocalyptic number.

201222422 is a deficient number, since it is larger than the sum of its proper divisors (100705594).

201222422 is a wasteful number, since it uses less digits than its factorization.

201222422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31462.

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

The square root of 201222422 is about 14185.2889290278. The cubic root of 201222422 is about 585.9925896084.

Adding to 201222422 its reverse (224222102), we get a palindrome (425444524).

The spelling of 201222422 in words is "two hundred one million, two hundred twenty-two thousand, four hundred twenty-two".