225223440503 has 4 divisors (see below), whose sum is σ = 226867407360. Its totient is φ = 223579473648.

The previous prime is 225223440487. The next prime is 225223440511. The reversal of 225223440503 is 305044322522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 225223440503 - 2⁴ = 225223440487 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225223440503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225223440553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 821983223 + ... + 821983496.

It is an arithmetic number, because the mean of its divisors is an integer number (56716851840).

Almost surely, 2^225223440503 is an apocalyptic number.

225223440503 is a deficient number, since it is larger than the sum of its proper divisors (1643966857).

225223440503 is a wasteful number, since it uses less digits than its factorization.

225223440503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643966856.

The product of its (nonzero) digits is 57600, while the sum is 32.

The spelling of 225223440503 in words is "two hundred twenty-five billion, two hundred twenty-three million, four hundred forty thousand, five hundred three".