222001321401 has 16 divisors (see below), whose sum is σ = 328899916800. Its totient is φ = 147996799344.

The previous prime is 222001321363. The next prime is 222001321459. The reversal of 222001321401 is 104123100222.

It is a happy number.

It is not a de Polignac number, because 222001321401 - 2¹⁰ = 222001320377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222001321001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1132840 + ... + 1314278.

It is an arithmetic number, because the mean of its divisors is an integer number (20556244800).

Almost surely, 2^222001321401 is an apocalyptic number.

It is an amenable number.

222001321401 is a deficient number, since it is larger than the sum of its proper divisors (106898595399).

222001321401 is a wasteful number, since it uses less digits than its factorization.

222001321401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226765 (or 226759 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 222001321401 its reverse (104123100222), we get a palindrome (326124421623).

The spelling of 222001321401 in words is "two hundred twenty-two billion, one million, three hundred twenty-one thousand, four hundred one".