222340271 has 4 divisors (see below), whose sum is σ = 224380200. Its totient is φ = 220300344.

The previous prime is 222340267. The next prime is 222340301. The reversal of 222340271 is 172043222.

It is a happy number.

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 222340271 - 2² = 222340267 is a prime.

It is a super-2 number, since 2×222340271² = 98870392216706882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222340211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1019801 + ... + 1020018.

It is an arithmetic number, because the mean of its divisors is an integer number (56095050).

Almost surely, 2^222340271 is an apocalyptic number.

222340271 is a deficient number, since it is larger than the sum of its proper divisors (2039929).

222340271 is a wasteful number, since it uses less digits than its factorization.

222340271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2039928.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 222340271 is about 14911.0788006770. The cubic root of 222340271 is about 605.8140997236.

Adding to 222340271 its reverse (172043222), we get a palindrome (394383493).

The spelling of 222340271 in words is "two hundred twenty-two million, three hundred forty thousand, two hundred seventy-one".