2273786 has 8 divisors (see below), whose sum is σ = 3441204. Its totient is φ = 1126720.

The previous prime is 2273783. The next prime is 2273807. The reversal of 2273786 is 6873722.

It can be written as a sum of positive squares in 2 ways, for example, as 2088025 + 185761 = 1445^2 + 431^2 .

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

It is an Ulam number.

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 3 ways as a sum of consecutive naturals, for example, 4805 + ... + 5256.

2^2273786 is an apocalyptic number.

2273786 is a deficient number, since it is larger than the sum of its proper divisors (1167418).

2273786 is a wasteful number, since it uses less digits than its factorization.

2273786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10176.

The product of its digits is 28224, while the sum is 35.

The square root of 2273786 is about 1507.9078221165. The cubic root of 2273786 is about 131.4972072638.

The spelling of 2273786 in words is "two million, two hundred seventy-three thousand, seven hundred eighty-six".