22201210222201 has 8 divisors (see below), whose sum is σ = 22347348619464. Its totient is φ = 22055535022080.

The previous prime is 22201210222153. The next prime is 22201210222207. The reversal of 22201210222201 is 10222201210222.

It can be written as a sum of positive squares in 4 ways, for example, as 5730761997801 + 16470448224400 = 2393901^2 + 4058380^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 22201210222201 - 2⁹ = 22201210221689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22201210222207) 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, 115703110 + ... + 115894831.

It is an arithmetic number, because the mean of its divisors is an integer number (2793418577433).

Almost surely, 2^{22201210222201} is an apocalyptic number.

It is an amenable number.

22201210222201 is a deficient number, since it is larger than the sum of its proper divisors (146138397263).

22201210222201 is a wasteful number, since it uses less digits than its factorization.

22201210222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231598571.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 22201210222201 its reverse (10222201210222), we get a palindrome (32423411432423).

The spelling of 22201210222201 in words is "twenty-two trillion, two hundred one billion, two hundred ten million, two hundred twenty-two thousand, two hundred one".