222136193 has 4 divisors (see below), whose sum is σ = 222765828. Its totient is φ = 221506560.

The previous prime is 222136171. The next prime is 222136199. The reversal of 222136193 is 391631222.

222136193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 391631222 = 2 ⋅195815611.

It can be written as a sum of positive squares in 2 ways, for example, as 168143089 + 53993104 = 12967^2 + 7348^2 .

It is a cyclic number.

It is not a de Polignac number, because 222136193 - 2⁶ = 222136129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222136199) 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, 314288 + ... + 314993.

It is an arithmetic number, because the mean of its divisors is an integer number (55691457).

Almost surely, 2^222136193 is an apocalyptic number.

It is an amenable number.

222136193 is a deficient number, since it is larger than the sum of its proper divisors (629635).

222136193 is an equidigital number, since it uses as much as digits as its factorization.

222136193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 629634.

The product of its digits is 3888, while the sum is 29.

The square root of 222136193 is about 14904.2340628427. The cubic root of 222136193 is about 605.6286914531.

The spelling of 222136193 in words is "two hundred twenty-two million, one hundred thirty-six thousand, one hundred ninety-three".