2256270305 has 16 divisors (see below), whose sum is σ = 2748816000. Its totient is φ = 1777547520.

The previous prime is 2256270293. The next prime is 2256270371. The reversal of 2256270305 is 5030726522.

It is not a de Polignac number, because 2256270305 - 2¹⁴ = 2256253921 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355046 + ... + 361344.

It is an arithmetic number, because the mean of its divisors is an integer number (171801000).

Almost surely, 2^2256270305 is an apocalyptic number.

It is an amenable number.

2256270305 is a deficient number, since it is larger than the sum of its proper divisors (492545695).

2256270305 is a wasteful number, since it uses less digits than its factorization.

2256270305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7384.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 2256270305 is about 47500.2137363612. The cubic root of 2256270305 is about 1311.5868160989.

Adding to 2256270305 its reverse (5030726522), we get a palindrome (7286996827).

The spelling of 2256270305 in words is "two billion, two hundred fifty-six million, two hundred seventy thousand, three hundred five".