2202002222201 has 4 divisors (see below), whose sum is σ = 2261515795812. Its totient is φ = 2142488648592.

The previous prime is 2202002222197. The next prime is 2202002222261. The reversal of 2202002222201 is 1022222002022.

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 2072733210601 + 129269011600 = 1439699^2 + 359540^2 .

It is a cyclic number.

It is not a de Polignac number, because 2202002222201 - 2² = 2202002222197 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2202002222201.

It is not an unprimeable number, because it can be changed into a prime (2202002222261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29756786750 + ... + 29756786823.

It is an arithmetic number, because the mean of its divisors is an integer number (565378948953).

Almost surely, 2^{2202002222201} is an apocalyptic number.

It is an amenable number.

2202002222201 is a deficient number, since it is larger than the sum of its proper divisors (59513573611).

2202002222201 is an equidigital number, since it uses as much as digits as its factorization.

2202002222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59513573610.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 2202002222201 its reverse (1022222002022), we get a palindrome (3224224224223).

The spelling of 2202002222201 in words is "two trillion, two hundred two billion, two million, two hundred twenty-two thousand, two hundred one".