222134243 has 4 divisors (see below), whose sum is σ = 222186600. Its totient is φ = 222081888.

The previous prime is 222134179. The next prime is 222134293. The reversal of 222134243 is 342431222.

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

It is a cyclic number.

It is not a de Polignac number, because 222134243 - 2⁶ = 222134179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222134293) 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, 19193 + ... + 28506.

It is an arithmetic number, because the mean of its divisors is an integer number (55546650).

Almost surely, 2^222134243 is an apocalyptic number.

222134243 is a deficient number, since it is larger than the sum of its proper divisors (52357).

222134243 is an equidigital number, since it uses as much as digits as its factorization.

222134243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52356.

The product of its digits is 2304, while the sum is 23.

The square root of 222134243 is about 14904.1686450469. The cubic root of 222134243 is about 605.6269192980.

Adding to 222134243 its reverse (342431222), we get a palindrome (564565465).

The spelling of 222134243 in words is "two hundred twenty-two million, one hundred thirty-four thousand, two hundred forty-three".