22231320201 has 6 divisors (see below), whose sum is σ = 32111906970. Its totient is φ = 14820880128.

The previous prime is 22231320187. The next prime is 22231320217. The reversal of 22231320201 is 10202313222.

It can be written as a sum of positive squares in only one way, i.e., 17036514576 + 5194805625 = 130524^2 + 72075^2 .

It is not a de Polignac number, because 22231320201 - 2⁵ = 22231320169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22231320271) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1235073336 + ... + 1235073353.

It is an arithmetic number, because the mean of its divisors is an integer number (5351984495).

Almost surely, 2^22231320201 is an apocalyptic number.

It is an amenable number.

22231320201 is a deficient number, since it is larger than the sum of its proper divisors (9880586769).

22231320201 is a wasteful number, since it uses less digits than its factorization.

22231320201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2470146695 (or 2470146692 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 22231320201 its reverse (10202313222), we get a palindrome (32433633423).

The spelling of 22231320201 in words is "twenty-two billion, two hundred thirty-one million, three hundred twenty thousand, two hundred one".