113222201 has 4 divisors (see below), whose sum is σ = 115631232. Its totient is φ = 110813172.

The previous prime is 113222189. The next prime is 113222203. The reversal of 113222201 is 102222311.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 102222311 = 557 ⋅183523.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113222201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113222203) 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, 1204445 + ... + 1204538.

It is an arithmetic number, because the mean of its divisors is an integer number (28907808).

Almost surely, 2^113222201 is an apocalyptic number.

It is an amenable number.

113222201 is a deficient number, since it is larger than the sum of its proper divisors (2409031).

113222201 is an equidigital number, since it uses as much as digits as its factorization.

113222201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2409030.

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

The square root of 113222201 is about 10640.5921357789. The cubic root of 113222201 is about 483.7754932293.

Adding to 113222201 its reverse (102222311), we get a palindrome (215444512).

The spelling of 113222201 in words is "one hundred thirteen million, two hundred twenty-two thousand, two hundred one".