2256140224 has 28 divisors (see below), whose sum is σ = 4821416824. Its totient is φ = 1041295104.

The previous prime is 2256140221. The next prime is 2256140239. The reversal of 2256140224 is 4220416522.

It is a junction number, because it is equal to n+sod(n) for n = 2256140192 and 2256140201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256140221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1355022 + ... + 1356685.

It is an arithmetic number, because the mean of its divisors is an integer number (172193458).

Almost surely, 2^2256140224 is an apocalyptic number.

It is an amenable number.

2256140224 is an abundant number, since it is smaller than the sum of its proper divisors (2565276600).

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

2256140224 is a wasteful number, since it uses less digits than its factorization.

2256140224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2711732 (or 2711722 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 2256140224 is about 47498.8444491021. The cubic root of 2256140224 is about 1311.5616099282.

Adding to 2256140224 its reverse (4220416522), we get a palindrome (6476556746).

The spelling of 2256140224 in words is "two billion, two hundred fifty-six million, one hundred forty thousand, two hundred twenty-four".