2255665522 has 72 divisors (see below), whose sum is σ = 4102242480. Its totient is φ = 919908000.

The previous prime is 2255665513. The next prime is 2255665543.

It is a happy number.

2255665522 is nontrivially palindromic in base 10.

2255665522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 22333272 + ... + 22333372.

It is an arithmetic number, because the mean of its divisors is an integer number (56975590).

Almost surely, 2^2255665522 is an apocalyptic number.

2255665522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2255665522 is a deficient number, since it is larger than the sum of its proper divisors (1846576958).

2255665522 is a wasteful number, since it uses less digits than its factorization.

2255665522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 156 counting only the distinct ones).

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

The square root of 2255665522 is about 47493.8472015060. The cubic root of 2255665522 is about 1311.4696173319.

The spelling of 2255665522 in words is "two billion, two hundred fifty-five million, six hundred sixty-five thousand, five hundred twenty-two".