22201052213 has 4 divisors (see below), whose sum is σ = 22201537260. Its totient is φ = 22200567168.

The previous prime is 22201052173. The next prime is 22201052221. The reversal of 22201052213 is 31225010222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4939559524 + 17261492689 = 70282^2 + 131383^2 .

It is a cyclic number.

It is not a de Polignac number, because 22201052213 - 2⁶ = 22201052149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201052273) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 165770 + ... + 268107.

It is an arithmetic number, because the mean of its divisors is an integer number (5550384315).

Almost surely, 2^22201052213 is an apocalyptic number.

It is an amenable number.

22201052213 is a deficient number, since it is larger than the sum of its proper divisors (485047).

22201052213 is an equidigital number, since it uses as much as digits as its factorization.

22201052213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485046.

The product of its (nonzero) digits is 480, while the sum is 20.

Adding to 22201052213 its reverse (31225010222), we get a palindrome (53426062435).

The spelling of 22201052213 in words is "twenty-two billion, two hundred one million, fifty-two thousand, two hundred thirteen".