22222001210201 has 4 divisors (see below), whose sum is σ = 23931385918692. Its totient is φ = 20512616501712.

The previous prime is 22222001210191. The next prime is 22222001210309. The reversal of 22222001210201 is 10201210022222.

It is a happy number.

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 6073015993801 + 16148985216400 = 2464349^2 + 4018580^2 .

It is a cyclic number.

It is not a de Polignac number, because 22222001210201 - 2²⁶ = 22221934101337 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 22222001210201.

It is not an unprimeable number, because it can be changed into a prime (22222001218201) 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, 854692354226 + ... + 854692354251.

It is an arithmetic number, because the mean of its divisors is an integer number (5982846479673).

Almost surely, 2^{22222001210201} is an apocalyptic number.

It is an amenable number.

22222001210201 is a deficient number, since it is larger than the sum of its proper divisors (1709384708491).

22222001210201 is a wasteful number, since it uses less digits than its factorization.

22222001210201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1709384708490.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22222001210201 its reverse (10201210022222), we get a palindrome (32423211232423).

The spelling of 22222001210201 in words is "twenty-two trillion, two hundred twenty-two billion, one million, two hundred ten thousand, two hundred one".