2273855 has 8 divisors (see below), whose sum is σ = 2744064. Its totient is φ = 1808800.

The previous prime is 2273851. The next prime is 2273867. The reversal of 2273855 is 5583722.

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

It is not a de Polignac number, because 2273855 - 2² = 2273851 is a prime.

It is a super-2 number, since 2×2273855² = 10340833122050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2273851) 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, 236 + ... + 2145.

It is an arithmetic number, because the mean of its divisors is an integer number (343008).

2^2273855 is an apocalyptic number.

2273855 is a deficient number, since it is larger than the sum of its proper divisors (470209).

2273855 is a wasteful number, since it uses less digits than its factorization.

2273855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2577.

The product of its digits is 16800, while the sum is 32.

The square root of 2273855 is about 1507.9307013255. The cubic root of 2273855 is about 131.4985373825.

The spelling of 2273855 in words is "two million, two hundred seventy-three thousand, eight hundred fifty-five".