222802271 has 4 divisors (see below), whose sum is σ = 228823992. Its totient is φ = 216780552.

The previous prime is 222802267. The next prime is 222802277. The reversal of 222802271 is 172208222.

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 222802271 - 2² = 222802267 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222802271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222802277) 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 3 ways as a sum of consecutive naturals, for example, 3010805 + ... + 3010878.

It is an arithmetic number, because the mean of its divisors is an integer number (57205998).

Almost surely, 2^222802271 is an apocalyptic number.

222802271 is a deficient number, since it is larger than the sum of its proper divisors (6021721).

222802271 is an equidigital number, since it uses as much as digits as its factorization.

222802271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6021720.

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 222802271 is about 14926.5625982676. The cubic root of 222802271 is about 606.2334156940.

The spelling of 222802271 in words is "two hundred twenty-two million, eight hundred two thousand, two hundred seventy-one".