2273866 has 8 divisors (see below), whose sum is σ = 3898080. Its totient is φ = 974508.

The previous prime is 2273851. The next prime is 2273867. The reversal of 2273866 is 6683722.

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

It is a d-powerful number, because it can be written as 2¹⁵ + 2¹⁹ + 7⁴ + 3⁶ + 8⁵ + 6⁴ + 6⁸ .

It is not an unprimeable number, because it can be changed into a prime (2273867) 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, 81196 + ... + 81223.

It is an arithmetic number, because the mean of its divisors is an integer number (487260).

2^2273866 is an apocalyptic number.

2273866 is a deficient number, since it is larger than the sum of its proper divisors (1624214).

2273866 is a wasteful number, since it uses less digits than its factorization.

2273866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162428.

The product of its digits is 24192, while the sum is 34.

The square root of 2273866 is about 1507.9343487036. The cubic root of 2273866 is about 131.4987494279.

The spelling of 2273866 in words is "two million, two hundred seventy-three thousand, eight hundred sixty-six".