222113201 has 4 divisors (see below), whose sum is σ = 222150900. Its totient is φ = 222075504.

The previous prime is 222113197. The next prime is 222113207. The reversal of 222113201 is 102311222.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 127148176 + 94965025 = 11276^2 + 9745^2 .

It is a cyclic number.

It is not a de Polignac number, because 222113201 - 2² = 222113197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222113207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7886 + ... + 22503.

It is an arithmetic number, because the mean of its divisors is an integer number (55537725).

Almost surely, 2^222113201 is an apocalyptic number.

It is an amenable number.

222113201 is a deficient number, since it is larger than the sum of its proper divisors (37699).

222113201 is an equidigital number, since it uses as much as digits as its factorization.

222113201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37698.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 222113201 is about 14903.4627184423. The cubic root of 222113201 is about 605.6077957208.

Adding to 222113201 its reverse (102311222), we get a palindrome (324424423).

The spelling of 222113201 in words is "two hundred twenty-two million, one hundred thirteen thousand, two hundred one".