2271958 has 8 divisors (see below), whose sum is σ = 3670128. Its totient is φ = 1048584.

The previous prime is 2271953. The next prime is 2271967. The reversal of 2271958 is 8591722.

2271958 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2271953) by changing a digit.

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, 43666 + ... + 43717.

It is an arithmetic number, because the mean of its divisors is an integer number (458766).

2^2271958 is an apocalyptic number.

2271958 is a deficient number, since it is larger than the sum of its proper divisors (1398170).

2271958 is a wasteful number, since it uses less digits than its factorization.

2271958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87398.

The product of its digits is 10080, while the sum is 34.

The square root of 2271958 is about 1507.3015623955. The cubic root of 2271958 is about 131.4619589540.

The spelling of 2271958 in words is "two million, two hundred seventy-one thousand, nine hundred fifty-eight".