2555244 has 18 divisors (see below), whose sum is σ = 6459180. Its totient is φ = 851736.

The previous prime is 2555233. The next prime is 2555251. The reversal of 2555244 is 4425552.

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

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35454 + ... + 35525.

2^2555244 is an apocalyptic number.

It is an amenable number.

2555244 is an abundant number, since it is smaller than the sum of its proper divisors (3903936).

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

2555244 is a wasteful number, since it uses less digits than its factorization.

2555244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70989 (or 70984 counting only the distinct ones).

The product of its digits is 8000, while the sum is 27.

The square root of 2555244 is about 1598.5130590646. The cubic root of 2555244 is about 136.7133081600.

The spelling of 2555244 in words is "two million, five hundred fifty-five thousand, two hundred forty-four".