222202222202201 has 8 divisors (see below), whose sum is σ = 223887777359880. Its totient is φ = 220517589379968.

The previous prime is 222202222202197. The next prime is 222202222202203. The reversal of 222202222202201 is 102202222202222.

It can be written as a sum of positive squares in 4 ways, for example, as 85282362174025 + 136919860028176 = 9234845^2 + 11701276^2 .

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 222202222202201 - 2² = 222202222202197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222202222202203) 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, 230100206 + ... + 231063863.

It is an arithmetic number, because the mean of its divisors is an integer number (27985972169985).

Almost surely, 2^{222202222202201} is an apocalyptic number.

It is an amenable number.

222202222202201 is a deficient number, since it is larger than the sum of its proper divisors (1685555157679).

222202222202201 is a wasteful number, since it uses less digits than its factorization.

222202222202201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461167723.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 222202222202201 its reverse (102202222202222), we get a palindrome (324404444404423).

The spelling of 222202222202201 in words is "two hundred twenty-two trillion, two hundred two billion, two hundred twenty-two million, two hundred two thousand, two hundred one".