222201022201 has 16 divisors (see below), whose sum is σ = 227003333328. Its totient is φ = 217422150400.

The previous prime is 222201022159. The next prime is 222201022229. The reversal of 222201022201 is 102220102222.

It can be written as a sum of positive squares in 8 ways, for example, as 32453662201 + 189747360000 = 180149^2 + 435600^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222201022201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222201022231) 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, 33760731 + ... + 33767311.

It is an arithmetic number, because the mean of its divisors is an integer number (14187708333).

Almost surely, 2^222201022201 is an apocalyptic number.

It is an amenable number.

222201022201 is a deficient number, since it is larger than the sum of its proper divisors (4802311127).

222201022201 is an equidigital number, since it uses as much as digits as its factorization.

222201022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8252.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 222201022201 its reverse (102220102222), we get a palindrome (324421124423).

The spelling of 222201022201 in words is "two hundred twenty-two billion, two hundred one million, twenty-two thousand, two hundred one".