2255623 has 4 divisors (see below), whose sum is σ = 2374360. Its totient is φ = 2136888.

The previous prime is 2255621. The next prime is 2255639. The reversal of 2255623 is 3265522.

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 2255623 - 2¹ = 2255621 is a prime.

It is a d-powerful number, because it can be written as 2⁷ + 2¹¹ + 5⁷ + 5⁷ + 6² + 2²¹ + 3² .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2255621) 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, 59340 + ... + 59377.

It is an arithmetic number, because the mean of its divisors is an integer number (593590).

2^2255623 is an apocalyptic number.

2255623 is a deficient number, since it is larger than the sum of its proper divisors (118737).

2255623 is a wasteful number, since it uses less digits than its factorization.

2255623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118736.

The product of its digits is 3600, while the sum is 25.

The square root of 2255623 is about 1501.8731637525. The cubic root of 2255623 is about 131.1461376355.

The spelling of 2255623 in words is "two million, two hundred fifty-five thousand, six hundred twenty-three".