225994989603 has 16 divisors (see below), whose sum is σ = 317289614720.
Its totient is φ = 142687028736.
The previous prime is 225994989587. The next prime is 225994989707. The reversal of 225994989603 is 306989499522.
It is not a de Polignac number, because 225994989603 - 24 = 225994989587 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (225994989203) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471550 + ... + 821187.
It is an arithmetic number, because the mean of its divisors is an integer number (19830600920).
Almost surely, 2225994989603 is an apocalyptic number.
225994989603 is a deficient number, since it is larger than the sum of its proper divisors (91294625117).
225994989603 is a wasteful number, since it uses less digits than its factorization.
225994989603 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1295826.
The product of its (nonzero) digits is 75582720, while the sum is 66.
The spelling of 225994989603 in words is "two hundred twenty-five billion, nine hundred ninety-four million, nine hundred eighty-nine thousand, six hundred three".