2242271 has 4 divisors (see below), whose sum is σ = 2284632. Its totient is φ = 2199912.

The previous prime is 2242231. The next prime is 2242277. The reversal of 2242271 is 1722422.

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 2242271 - 2¹⁰ = 2241247 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2242277) 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, 21101 + ... + 21206.

It is an arithmetic number, because the mean of its divisors is an integer number (571158).

2^2242271 is an apocalyptic number.

2242271 is a deficient number, since it is larger than the sum of its proper divisors (42361).

2242271 is an equidigital number, since it uses as much as digits as its factorization.

2242271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42360.

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

The square root of 2242271 is about 1497.4214503606. The cubic root of 2242271 is about 130.8868552798.

Adding to 2242271 its reverse (1722422), we get a palindrome (3964693).

The spelling of 2242271 in words is "two million, two hundred forty-two thousand, two hundred seventy-one".