225143424434 has 8 divisors (see below), whose sum is σ = 338123500848. Its totient is φ = 112435590820.

The previous prime is 225143424391. The next prime is 225143424479. The reversal of 225143424434 is 434424341522.

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 (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68058632 + ... + 68061939.

It is an arithmetic number, because the mean of its divisors is an integer number (42265437606).

Almost surely, 2^225143424434 is an apocalyptic number.

225143424434 is a deficient number, since it is larger than the sum of its proper divisors (112980076414).

225143424434 is a wasteful number, since it uses less digits than its factorization.

225143424434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136121400.

The product of its digits is 368640, while the sum is 38.

Adding to 225143424434 its reverse (434424341522), we get a palindrome (659567765956).

The spelling of 225143424434 in words is "two hundred twenty-five billion, one hundred forty-three million, four hundred twenty-four thousand, four hundred thirty-four".