2522801816 has 16 divisors (see below), whose sum is σ = 4754765400. Its totient is φ = 1254864384.

The previous prime is 2522801807. The next prime is 2522801857. The reversal of 2522801816 is 6181082252.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 815426 + ... + 818513.

Almost surely, 2^2522801816 is an apocalyptic number.

It is an amenable number.

2522801816 is a deficient number, since it is larger than the sum of its proper divisors (2231963584).

2522801816 is a wasteful number, since it uses less digits than its factorization.

2522801816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1634138 (or 1634134 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 35.

The square root of 2522801816 is about 50227.5005947937. The cubic root of 2522801816 is about 1361.3225701025.

The spelling of 2522801816 in words is "two billion, five hundred twenty-two million, eight hundred one thousand, eight hundred sixteen".