2256021130 has 32 divisors (see below), whose sum is σ = 4454792640. Its totient is φ = 815781120.

The previous prime is 2256021109. The next prime is 2256021137. The reversal of 2256021130 is 311206522.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (2256021137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37599 + ... + 76978.

It is an arithmetic number, because the mean of its divisors is an integer number (139212270).

Almost surely, 2^2256021130 is an apocalyptic number.

2256021130 is a deficient number, since it is larger than the sum of its proper divisors (2198771510).

2256021130 is a wasteful number, since it uses less digits than its factorization.

2256021130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114774.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 2256021130 is about 47497.5907810070. The cubic root of 2256021130 is about 1311.5385318906.

Adding to 2256021130 its reverse (311206522), we get a palindrome (2567227652).

The spelling of 2256021130 in words is "two billion, two hundred fifty-six million, twenty-one thousand, one hundred thirty".