222401201321 has 32 divisors (see below), whose sum is σ = 243331845120. Its totient is φ = 202049616384.

The previous prime is 222401201311. The next prime is 222401201329. The reversal of 222401201321 is 123102104222.

It is a cyclic number.

It is not a de Polignac number, because 222401201321 - 2¹⁰ = 222401200297 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222401201293 and 222401201302.

It is not an unprimeable number, because it can be changed into a prime (222401201329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 142655540 + ... + 142657098.

It is an arithmetic number, because the mean of its divisors is an integer number (7604120160).

Almost surely, 2^222401201321 is an apocalyptic number.

It is an amenable number.

222401201321 is a deficient number, since it is larger than the sum of its proper divisors (20930643799).

222401201321 is a wasteful number, since it uses less digits than its factorization.

222401201321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2345.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 222401201321 its reverse (123102104222), we get a palindrome (345503305543).

The spelling of 222401201321 in words is "two hundred twenty-two billion, four hundred one million, two hundred one thousand, three hundred twenty-one".