4222271 has 4 divisors (see below), whose sum is σ = 4405872. Its totient is φ = 4038672.

The previous prime is 4222243. The next prime is 4222277. The reversal of 4222271 is 1722224.

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 4222271 - 2¹⁰ = 4221247 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 (4222277) 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, 91766 + ... + 91811.

It is an arithmetic number, because the mean of its divisors is an integer number (1101468).

Almost surely, 2^4222271 is an apocalyptic number.

4222271 is a deficient number, since it is larger than the sum of its proper divisors (183601).

4222271 is a wasteful number, since it uses less digits than its factorization.

4222271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183600.

The product of its digits is 448, while the sum is 20.

The square root of 4222271 is about 2054.8165368227. The cubic root of 4222271 is about 161.6275419310.

Adding to 4222271 its reverse (1722224), we get a palindrome (5944495).

The spelling of 4222271 in words is "four million, two hundred twenty-two thousand, two hundred seventy-one".