222221320201 has 4 divisors (see below), whose sum is σ = 223006554832. Its totient is φ = 221436085572.

The previous prime is 222221320163. The next prime is 222221320207. The reversal of 222221320201 is 102023122222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222221320201 - 2¹⁵ = 222221287433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222221320207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392616891 + ... + 392617456.

It is an arithmetic number, because the mean of its divisors is an integer number (55751638708).

Almost surely, 2^222221320201 is an apocalyptic number.

It is an amenable number.

222221320201 is a deficient number, since it is larger than the sum of its proper divisors (785234631).

222221320201 is an equidigital number, since it uses as much as digits as its factorization.

222221320201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 785234630.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 222221320201 its reverse (102023122222), we get a palindrome (324244442423).

The spelling of 222221320201 in words is "two hundred twenty-two billion, two hundred twenty-one million, three hundred twenty thousand, two hundred one".