2256115522 has 8 divisors (see below), whose sum is σ = 3434683536. Its totient is φ = 1111221012.

The previous prime is 2256115513. The next prime is 2256115549. The reversal of 2256115522 is 2255116522.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8418208 + ... + 8418475.

It is an arithmetic number, because the mean of its divisors is an integer number (429335442).

Almost surely, 2^2256115522 is an apocalyptic number.

2256115522 is a deficient number, since it is larger than the sum of its proper divisors (1178568014).

2256115522 is a wasteful number, since it uses less digits than its factorization.

2256115522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16836752.

The product of its digits is 12000, while the sum is 31.

The square root of 2256115522 is about 47498.5844210120. The cubic root of 2256115522 is about 1311.5568232409.

It can be divided in two parts, 22561 and 15522, that added together give a palindrome (38083).

The spelling of 2256115522 in words is "two billion, two hundred fifty-six million, one hundred fifteen thousand, five hundred twenty-two".