2775223 has 4 divisors (see below), whose sum is σ = 3027528. Its totient is φ = 2522920.

The previous prime is 2775221. The next prime is 2775247. The reversal of 2775223 is 3225772.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2775223 - 2¹ = 2775221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2775191 and 2775200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2775221) 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, 126136 + ... + 126157.

It is an arithmetic number, because the mean of its divisors is an integer number (756882).

2^2775223 is an apocalyptic number.

2775223 is a deficient number, since it is larger than the sum of its proper divisors (252305).

2775223 is a wasteful number, since it uses less digits than its factorization.

2775223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252304.

The product of its digits is 5880, while the sum is 28.

The square root of 2775223 is about 1665.9000570262. The cubic root of 2775223 is about 140.5290020043.

The spelling of 2775223 in words is "two million, seven hundred seventy-five thousand, two hundred twenty-three".