22031312201 has 8 divisors (see below), whose sum is σ = 22094499840. Its totient is φ = 21968170848.

The previous prime is 22031312179. The next prime is 22031312207. The reversal of 22031312201 is 10221313022.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22031312201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22031312201.

It is not an unprimeable number, because it can be changed into a prime (22031312207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1088960 + ... + 1109006.

It is an arithmetic number, because the mean of its divisors is an integer number (2761812480).

Almost surely, 2^22031312201 is an apocalyptic number.

It is an amenable number.

22031312201 is a deficient number, since it is larger than the sum of its proper divisors (63187639).

22031312201 is a wasteful number, since it uses less digits than its factorization.

22031312201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23143.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22031312201 its reverse (10221313022), we get a palindrome (32252625223).

The spelling of 22031312201 in words is "twenty-two billion, thirty-one million, three hundred twelve thousand, two hundred one".