222022221212201 has 8 divisors (see below), whose sum is σ = 222419480821320. Its totient is φ = 221624986384512.

The previous prime is 222022221212173. The next prime is 222022221212203. The reversal of 222022221212201 is 102212122220222.

It can be written as a sum of positive squares in 4 ways, for example, as 4887968265625 + 217134252946576 = 2210875^2 + 14735476^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222022221212201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222022221212203) 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 7 ways as a sum of consecutive naturals, for example, 11785751 + ... + 24144323.

It is an arithmetic number, because the mean of its divisors is an integer number (27802435102665).

Almost surely, 2^{222022221212201} is an apocalyptic number.

It is an amenable number.

222022221212201 is a deficient number, since it is larger than the sum of its proper divisors (397259609119).

222022221212201 is a wasteful number, since it uses less digits than its factorization.

222022221212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12390715.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 222022221212201 its reverse (102212122220222), we get a palindrome (324234343432423).

The spelling of 222022221212201 in words is "two hundred twenty-two trillion, twenty-two billion, two hundred twenty-one million, two hundred twelve thousand, two hundred one".