222201101 has 24 divisors (see below), whose sum is σ = 246843576. Its totient is φ = 199249920.

The previous prime is 222201097. The next prime is 222201121. The reversal of 222201101 is 101102222.

It is a happy number.

222201101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9916201 + 212284900 = 3149^2 + 14570^2 .

It is not a de Polignac number, because 222201101 - 2² = 222201097 is a prime.

It is a super-2 number, since 2×222201101² = 98746658571224402, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222201121) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2290685 + ... + 2290781.

It is an arithmetic number, because the mean of its divisors is an integer number (10285149).

Almost surely, 2^222201101 is an apocalyptic number.

It is an amenable number.

222201101 is a deficient number, since it is larger than the sum of its proper divisors (24642475).

222201101 is an equidigital number, since it uses as much as digits as its factorization.

222201101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 222201101 is about 14906.4114058347. The cubic root of 222201101 is about 605.6876737655.

Adding to 222201101 its reverse (101102222), we get a palindrome (323303323).

The spelling of 222201101 in words is "two hundred twenty-two million, two hundred one thousand, one hundred one".