201423204220222 has 16 divisors (see below), whose sum is σ = 309504463884000. Its totient is φ = 98255057781760.

The previous prime is 201423204220213. The next prime is 201423204220261. The reversal of 201423204220222 is 222022402324102.

It is a super-2 number, since 2×201423204220222² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58181679 + ... + 61546357.

It is an arithmetic number, because the mean of its divisors is an integer number (19344028992750).

Almost surely, 2^{201423204220222} is an apocalyptic number.

201423204220222 is a deficient number, since it is larger than the sum of its proper divisors (108081259663778).

201423204220222 is a wasteful number, since it uses less digits than its factorization.

201423204220222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4094771.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 201423204220222 its reverse (222022402324102), we get a palindrome (423445606544324).

The spelling of 201423204220222 in words is "two hundred one trillion, four hundred twenty-three billion, two hundred four million, two hundred twenty thousand, two hundred twenty-two".