2255724 has 18 divisors (see below), whose sum is σ = 5702060. Its totient is φ = 751896.

The previous prime is 2255723. The next prime is 2255731. The reversal of 2255724 is 4275522.

2255724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-3 number, since 3×2255724³ = 34433338787190430272, which contains 333 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2255723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 31294 + ... + 31365.

2^2255724 is an apocalyptic number.

It is an amenable number.

2255724 is an abundant number, since it is smaller than the sum of its proper divisors (3446336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2255724 is a wasteful number, since it uses less digits than its factorization.

2255724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62669 (or 62664 counting only the distinct ones).

The product of its digits is 5600, while the sum is 27.

The square root of 2255724 is about 1501.9067880531. The cubic root of 2255724 is about 131.1480950492.

The spelling of 2255724 in words is "two million, two hundred fifty-five thousand, seven hundred twenty-four".