225787787522 has 8 divisors (see below), whose sum is σ = 369470925072. Its totient is φ = 102630812500.

The previous prime is 225787787509. The next prime is 225787787551.

225787787522 is nontrivially palindromic in base 10.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5131540604 + ... + 5131540647.

It is an arithmetic number, because the mean of its divisors is an integer number (46183865634).

Almost surely, 2^225787787522 is an apocalyptic number.

225787787522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

225787787522 is a deficient number, since it is larger than the sum of its proper divisors (143683137550).

225787787522 is a wasteful number, since it uses less digits than its factorization.

225787787522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10263081264.

The product of its digits is 61465600, while the sum is 62.

The spelling of 225787787522 in words is "two hundred twenty-five billion, seven hundred eighty-seven million, seven hundred eighty-seven thousand, five hundred twenty-two".