225044855 has 16 divisors (see below), whose sum is σ = 309006144.
Its totient is φ = 154129920.
The previous prime is 225044839. The next prime is 225044863. The reversal of 225044855 is 558440522.
It is not a de Polignac number, because 225044855 - 24 = 225044839 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29519 + ... + 36351.
It is an arithmetic number, because the mean of its divisors is an integer number (19312884).
Almost surely, 2225044855 is an apocalyptic number.
225044855 is a deficient number, since it is larger than the sum of its proper divisors (83961289).
225044855 is an equidigital number, since it uses as much as digits as its factorization.
225044855 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7786.
The product of its (nonzero) digits is 64000, while the sum is 35.
The square root of 225044855 is about 15001.4950921566.
The cubic root of 225044855 is about 608.2606142304.
The spelling of 225044855 in words is "two hundred twenty-five million, forty-four thousand, eight hundred fifty-five".