225424545442 has 8 divisors (see below), whose sum is σ = 341622765036. Its totient is φ = 111550290432.

The previous prime is 225424545433. The next prime is 225424545469. The reversal of 225424545442 is 244545424522.

225424545442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 197170633521 + 28253911921 = 444039^2 + 168089^2 .

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 (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580990903 + ... + 580991290.

Almost surely, 2^225424545442 is an apocalyptic number.

225424545442 is a deficient number, since it is larger than the sum of its proper divisors (116198219594).

225424545442 is a wasteful number, since it uses less digits than its factorization.

225424545442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1161982292.

The product of its digits is 2048000, while the sum is 43.

Adding to 225424545442 its reverse (244545424522), we get a palindrome (469969969964).

The spelling of 225424545442 in words is "two hundred twenty-five billion, four hundred twenty-four million, five hundred forty-five thousand, four hundred forty-two".