2271242 has 8 divisors (see below), whose sum is σ = 3428256. Its totient is φ = 1128492.

The previous prime is 2271239. The next prime is 2271257. The reversal of 2271242 is 2421722.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3158 + ... + 3809.

It is an arithmetic number, because the mean of its divisors is an integer number (428532).

2^2271242 is an apocalyptic number.

2271242 is a deficient number, since it is larger than the sum of its proper divisors (1157014).

2271242 is a wasteful number, since it uses less digits than its factorization.

2271242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7132.

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

The square root of 2271242 is about 1507.0640331452. The cubic root of 2271242 is about 131.4481475701.

Adding to 2271242 its reverse (2421722), we get a palindrome (4692964).

The spelling of 2271242 in words is "two million, two hundred seventy-one thousand, two hundred forty-two".