2855223 has 16 divisors (see below), whose sum is σ = 4834560. Its totient is φ = 1631448.

The previous prime is 2855221. The next prime is 2855231. The reversal of 2855223 is 3225582.

It is not a de Polignac number, because 2855223 - 2¹ = 2855221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a d-powerful number, because it can be written as 2¹⁰ + 8⁷ + 5² + 5⁷ + 2¹⁴ + 2¹⁷ + 3¹² .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2855221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7365 + ... + 7742.

It is an arithmetic number, because the mean of its divisors is an integer number (302160).

2^2855223 is an apocalyptic number.

2855223 is a deficient number, since it is larger than the sum of its proper divisors (1979337).

2855223 is a wasteful number, since it uses less digits than its factorization.

2855223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15123 (or 15117 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 2855223 is about 1689.7405126232. The cubic root of 2855223 is about 141.8665512121.

The spelling of 2855223 in words is "two million, eight hundred fifty-five thousand, two hundred twenty-three".