222221022201 has 96 divisors (see below), whose sum is σ = 352876293120. Its totient is φ = 134359948800.

The previous prime is 222221022193. The next prime is 222221022217. The reversal of 222221022201 is 102220122222.

222221022201 is a `hidden beast` number, since 222 + 221 + 0 + 2 + 220 + 1 = 666.

It is not a de Polignac number, because 222221022201 - 2³ = 222221022193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222221022251) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 197881026 + ... + 197882148.

It is an arithmetic number, because the mean of its divisors is an integer number (3675794720).

Almost surely, 2^222221022201 is an apocalyptic number.

It is an amenable number.

222221022201 is a deficient number, since it is larger than the sum of its proper divisors (130655270919).

222221022201 is a wasteful number, since it uses less digits than its factorization.

222221022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1887 (or 1884 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 222221022201 its reverse (102220122222), we get a palindrome (324441144423).

The spelling of 222221022201 in words is "two hundred twenty-two billion, two hundred twenty-one million, twenty-two thousand, two hundred one".