225994989707 has 2 divisors, whose sum is σ = 225994989708.
Its totient is φ = 225994989706.
The previous prime is 225994989587. The next prime is 225994989713. The reversal of 225994989707 is 707989499522.
225994989707 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-225994989707 is a prime.
It is not a weakly prime, because it can be changed into another prime (225994989307) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112997494853 + 112997494854.
It is an arithmetic number, because the mean of its divisors is an integer number (112997494854).
Almost surely, 2225994989707 is an apocalyptic number.
225994989707 is a deficient number, since it is larger than the sum of its proper divisors (1).
225994989707 is an equidigital number, since it uses as much as digits as its factorization.
225994989707 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 205752960, while the sum is 71.
The spelling of 225994989707 in words is "two hundred twenty-five billion, nine hundred ninety-four million, nine hundred eighty-nine thousand, seven hundred seven".