225550223543 has 12 divisors (see below), whose sum is σ = 238291606728. Its totient is φ = 213458766480.

The previous prime is 225550223531. The next prime is 225550223567. The reversal of 225550223543 is 345322055522.

It is not a de Polignac number, because 225550223543 - 2²⁰ = 225549174967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225550223497 and 225550223506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225550223573) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28805 + ... + 672257.

It is an arithmetic number, because the mean of its divisors is an integer number (19857633894).

Almost surely, 2^225550223543 is an apocalyptic number.

225550223543 is a deficient number, since it is larger than the sum of its proper divisors (12741383185).

225550223543 is an equidigital number, since it uses as much as digits as its factorization.

225550223543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644462 (or 644443 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 38.

The spelling of 225550223543 in words is "two hundred twenty-five billion, five hundred fifty million, two hundred twenty-three thousand, five hundred forty-three".