2273566 has 8 divisors (see below), whose sum is σ = 3430584. Its totient is φ = 1130040.

The previous prime is 2273561. The next prime is 2273567. The reversal of 2273566 is 6653722.

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 not an unprimeable number, because it can be changed into a prime (2273561) 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, 2940 + ... + 3631.

It is an arithmetic number, because the mean of its divisors is an integer number (428823).

2^2273566 is an apocalyptic number.

2273566 is a deficient number, since it is larger than the sum of its proper divisors (1157018).

2273566 is a wasteful number, since it uses less digits than its factorization.

2273566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6746.

The product of its digits is 15120, while the sum is 31.

The square root of 2273566 is about 1507.8348715957. The cubic root of 2273566 is about 131.4929661261.

It can be divided in two parts, 22735 and 66, that added together give a square (22801 = 151²).

The spelling of 2273566 in words is "two million, two hundred seventy-three thousand, five hundred sixty-six".