2273785 has 8 divisors (see below), whose sum is σ = 2761920. Its totient is φ = 1796784.

The previous prime is 2273783. The next prime is 2273807. The reversal of 2273785 is 5873722.

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

It is not a de Polignac number, because 2273785 - 2¹ = 2273783 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2273785.

It is not an unprimeable number, because it can be changed into a prime (2273783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2325 + ... + 3154.

It is an arithmetic number, because the mean of its divisors is an integer number (345240).

2^2273785 is an apocalyptic number.

It is an amenable number.

2273785 is a deficient number, since it is larger than the sum of its proper divisors (488135).

2273785 is an equidigital number, since it uses as much as digits as its factorization.

2273785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5567.

The product of its digits is 23520, while the sum is 34.

The square root of 2273785 is about 1507.9074905312. The cubic root of 2273785 is about 131.4971879865.

It can be divided in two parts, 22737 and 85, that added together give a palindrome (22822).

The spelling of 2273785 in words is "two million, two hundred seventy-three thousand, seven hundred eighty-five".