2271142 has 8 divisors (see below), whose sum is σ = 3414456. Its totient is φ = 1132992.

The previous prime is 2271133. The next prime is 2271151. The reversal of 2271142 is 2411722.

It is a happy number.

2271142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2271133) and next prime (2271151).

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

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118 + ... + 2134.

It is an arithmetic number, because the mean of its divisors is an integer number (426807).

2^2271142 is an apocalyptic number.

2271142 is a deficient number, since it is larger than the sum of its proper divisors (1143314).

2271142 is a wasteful number, since it uses less digits than its factorization.

2271142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2582.

The product of its digits is 224, while the sum is 19.

The square root of 2271142 is about 1507.0308556894. The cubic root of 2271142 is about 131.4462183749.

Adding to 2271142 its reverse (2411722), we get a palindrome (4682864).

It can be divided in two parts, 227 and 1142, that added together give a square (1369 = 37²).

The spelling of 2271142 in words is "two million, two hundred seventy-one thousand, one hundred forty-two".