225394493522 has 16 divisors (see below), whose sum is σ = 368923266144. Its totient is φ = 102425400000.

The previous prime is 225394493521. The next prime is 225394493537.

225394493522 is nontrivially palindromic in base 10.

It is not an unprimeable number, because it can be changed into a prime (225394493521) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1245479 + ... + 1414922.

It is an arithmetic number, because the mean of its divisors is an integer number (23057704134).

Almost surely, 2^225394493522 is an apocalyptic number.

225394493522 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

225394493522 is a deficient number, since it is larger than the sum of its proper divisors (143528772622).

225394493522 is a wasteful number, since it uses less digits than its factorization.

225394493522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664265.

The product of its digits is 4665600, while the sum is 50.

The spelling of 225394493522 in words is "two hundred twenty-five billion, three hundred ninety-four million, four hundred ninety-three thousand, five hundred twenty-two".