202022211423 has 16 divisors (see below), whose sum is σ = 270825831936. Its totient is φ = 133950516000.

The previous prime is 202022211397. The next prime is 202022211463. The reversal of 202022211423 is 324112220202.

It is not a de Polignac number, because 202022211423 - 2¹² = 202022207327 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 202022211423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202022211463) 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 in 15 ways as a sum of consecutive naturals, for example, 1656798 + ... + 1774548.

It is an arithmetic number, because the mean of its divisors is an integer number (16926614496).

Almost surely, 2^202022211423 is an apocalyptic number.

202022211423 is a deficient number, since it is larger than the sum of its proper divisors (68803620513).

202022211423 is a wasteful number, since it uses less digits than its factorization.

202022211423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120854.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 202022211423 its reverse (324112220202), we get a palindrome (526134431625).

The spelling of 202022211423 in words is "two hundred two billion, twenty-two million, two hundred eleven thousand, four hundred twenty-three".