222220113 has 16 divisors (see below), whose sum is σ = 307453440. Its totient is φ = 142649856.

The previous prime is 222220111. The next prime is 222220177. The reversal of 222220113 is 311022222.

It is a happy number.

It is not a de Polignac number, because 222220113 - 2¹ = 222220111 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222220092 and 222220101.

It is not an unprimeable number, because it can be changed into a prime (222220111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 448 + ... + 21086.

It is an arithmetic number, because the mean of its divisors is an integer number (19215840).

Almost surely, 2^222220113 is an apocalyptic number.

It is an amenable number.

222220113 is a deficient number, since it is larger than the sum of its proper divisors (85233327).

222220113 is a wasteful number, since it uses less digits than its factorization.

222220113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20776.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 222220113 is about 14907.0491043667. The cubic root of 222220113 is about 605.7049479157.

Adding to 222220113 its reverse (311022222), we get a palindrome (533242335).

The spelling of 222220113 in words is "two hundred twenty-two million, two hundred twenty thousand, one hundred thirteen".