225503521142344 has 128 divisors (see below), whose sum is σ = 439203269191680. Its totient is φ = 108431306035200.

The previous prime is 225503521142261. The next prime is 225503521142363. The reversal of 225503521142344 is 443241125305522.

It is a self number, because there is not a number n which added to its sum of digits gives 225503521142344.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29221652374 + ... + 29221660090.

It is an arithmetic number, because the mean of its divisors is an integer number (3431275540560).

Almost surely, 2^{225503521142344} is an apocalyptic number.

It is an amenable number.

225503521142344 is a deficient number, since it is larger than the sum of its proper divisors (213699748049336).

225503521142344 is a wasteful number, since it uses less digits than its factorization.

225503521142344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9231 (or 9227 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 43.

Adding to 225503521142344 its reverse (443241125305522), we get a palindrome (668744646447866).

The spelling of 225503521142344 in words is "two hundred twenty-five trillion, five hundred three billion, five hundred twenty-one million, one hundred forty-two thousand, three hundred forty-four".