2255244 has 24 divisors (see below), whose sum is σ = 5338368. Its totient is φ = 740880.

The previous prime is 2255233. The next prime is 2255249. The reversal of 2255244 is 4425522.

It is a happy number.

It is a super-2 number, since 2×2255244² = 10172250999072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2255249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 472 + ... + 2175.

It is an arithmetic number, because the mean of its divisors is an integer number (222432).

2^2255244 is an apocalyptic number.

It is an amenable number.

2255244 is an abundant number, since it is smaller than the sum of its proper divisors (3083124).

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

2255244 is a wasteful number, since it uses less digits than its factorization.

2255244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2725 (or 2723 counting only the distinct ones).

The product of its digits is 3200, while the sum is 24.

The square root of 2255244 is about 1501.7469826838. The cubic root of 2255244 is about 131.1387919679.

The spelling of 2255244 in words is "two million, two hundred fifty-five thousand, two hundred forty-four".