2272857 has 8 divisors (see below), whose sum is σ = 3082080. Its totient is φ = 1489440.

The previous prime is 2272843. The next prime is 2272859. The reversal of 2272857 is 7582722.

2272857 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 not a de Polignac number, because 2272857 - 2⁷ = 2272729 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2272859) 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 7 ways as a sum of consecutive naturals, for example, 6244 + ... + 6597.

It is an arithmetic number, because the mean of its divisors is an integer number (385260).

2^2272857 is an apocalyptic number.

It is an amenable number.

2272857 is a deficient number, since it is larger than the sum of its proper divisors (809223).

2272857 is a wasteful number, since it uses less digits than its factorization.

2272857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12903.

The product of its digits is 15680, while the sum is 33.

The square root of 2272857 is about 1507.5997479437. The cubic root of 2272857 is about 131.4792962340.

The spelling of 2272857 in words is "two million, two hundred seventy-two thousand, eight hundred fifty-seven".