2256456982 has 8 divisors (see below), whose sum is σ = 3645045936. Its totient is φ = 1041441672.

The previous prime is 2256456977. The next prime is 2256456989. The reversal of 2256456982 is 2896546522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×2256456982² = 10183196223233096648, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2256456989) 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, 43393378 + ... + 43393429.

It is an arithmetic number, because the mean of its divisors is an integer number (455630742).

Almost surely, 2^2256456982 is an apocalyptic number.

2256456982 is a deficient number, since it is larger than the sum of its proper divisors (1388588954).

2256456982 is a wasteful number, since it uses less digits than its factorization.

2256456982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86786822.

The product of its digits is 2073600, while the sum is 49.

The square root of 2256456982 is about 47502.1787079288. The cubic root of 2256456982 is about 1311.6229873472.

The spelling of 2256456982 in words is "two billion, two hundred fifty-six million, four hundred fifty-six thousand, nine hundred eighty-two".