22131423201 has 16 divisors (see below), whose sum is σ = 30314015424. Its totient is φ = 14351765184.

The previous prime is 22131423173. The next prime is 22131423221. The reversal of 22131423201 is 10232413122.

It is not a de Polignac number, because 22131423201 - 2¹⁵ = 22131390433 is a prime.

It is a super-2 number, since 2×22131423201² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22131423221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 437446 + ... + 485408.

It is an arithmetic number, because the mean of its divisors is an integer number (1894625964).

Almost surely, 2^22131423201 is an apocalyptic number.

It is an amenable number.

22131423201 is a deficient number, since it is larger than the sum of its proper divisors (8182592223).

22131423201 is a wasteful number, since it uses less digits than its factorization.

22131423201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52160.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 22131423201 its reverse (10232413122), we get a palindrome (32363836323).

The spelling of 22131423201 in words is "twenty-two billion, one hundred thirty-one million, four hundred twenty-three thousand, two hundred one".