222222222212201 has 32 divisors (see below), whose sum is σ = 225144922464000. Its totient is φ = 219324339210240.

The previous prime is 222222222212197. The next prime is 222222222212231. The reversal of 222222222212201 is 102212222222222.

It is a cyclic number.

It is not a de Polignac number, because 222222222212201 - 2² = 222222222212197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222222222212231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19996595021 + ... + 19996606133.

It is an arithmetic number, because the mean of its divisors is an integer number (7035778827000).

Almost surely, 2^{222222222212201} is an apocalyptic number.

It is an amenable number.

222222222212201 is a deficient number, since it is larger than the sum of its proper divisors (2922700251799).

222222222212201 is a wasteful number, since it uses less digits than its factorization.

222222222212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12929.

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 222222222212201 its reverse (102212222222222), we get a palindrome (324434444434423).

The spelling of 222222222212201 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, two hundred twenty-two million, two hundred twelve thousand, two hundred one".