222211093 has 4 divisors (see below), whose sum is σ = 239304268. Its totient is φ = 205117920.

The previous prime is 222211081. The next prime is 222211117. The reversal of 222211093 is 390112222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 390112222 = 2 ⋅195056111.

It can be written as a sum of positive squares in 2 ways, for example, as 15944049 + 206267044 = 3993^2 + 14362^2 .

It is a cyclic number.

It is not a de Polignac number, because 222211093 - 2⁹ = 222210581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222281093) 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, 8546568 + ... + 8546593.

It is an arithmetic number, because the mean of its divisors is an integer number (59826067).

Almost surely, 2^222211093 is an apocalyptic number.

It is an amenable number.

222211093 is a deficient number, since it is larger than the sum of its proper divisors (17093175).

222211093 is a wasteful number, since it uses less digits than its factorization.

222211093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17093174.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 222211093 is about 14906.7465598634. The cubic root of 222211093 is about 605.6967525391.

The spelling of 222211093 in words is "two hundred twenty-two million, two hundred eleven thousand, ninety-three".