2256428101 has 4 divisors (see below), whose sum is σ = 2269471212. Its totient is φ = 2243384992.

The previous prime is 2256428081. The next prime is 2256428147. The reversal of 2256428101 is 1018246522.

2256428101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1074856225 + 1181571876 = 32785^2 + 34374^2 .

It is a cyclic number.

It is not a de Polignac number, because 2256428101 - 2³¹ = 108944453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256428191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6521296 + ... + 6521641.

It is an arithmetic number, because the mean of its divisors is an integer number (567367803).

Almost surely, 2^2256428101 is an apocalyptic number.

It is an amenable number.

2256428101 is a deficient number, since it is larger than the sum of its proper divisors (13043111).

2256428101 is a wasteful number, since it uses less digits than its factorization.

2256428101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13043110.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 2256428101 is about 47501.8747103733. The cubic root of 2256428101 is about 1311.6173913848.

The spelling of 2256428101 in words is "two billion, two hundred fifty-six million, four hundred twenty-eight thousand, one hundred one".