2256556522 has 16 divisors (see below), whose sum is σ = 3703140000. Its totient is φ = 1022765040.

The previous prime is 2256556513. The next prime is 2256556543.

It is a happy number.

2256556522 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139272 + ... + 154627.

It is an arithmetic number, because the mean of its divisors is an integer number (231446250).

Almost surely, 2^2256556522 is an apocalyptic number.

2256556522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2256556522 is a deficient number, since it is larger than the sum of its proper divisors (1446583478).

2256556522 is a wasteful number, since it uses less digits than its factorization.

2256556522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294261.

The product of its digits is 360000, while the sum is 40.

The square root of 2256556522 is about 47503.2264377905. The cubic root of 2256556522 is about 1311.6422737821.

The spelling of 2256556522 in words is "two billion, two hundred fifty-six million, five hundred fifty-six thousand, five hundred twenty-two".