225106947073 has 4 divisors (see below), whose sum is σ = 225205637188. Its totient is φ = 225008256960.

The previous prime is 225106947049. The next prime is 225106947103. The reversal of 225106947073 is 370749601522.

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

It can be written as a sum of positive squares in 2 ways, for example, as 137528239104 + 87578707969 = 370848^2 + 295937^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225106947073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (225106947173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49341636 + ... + 49346197.

It is an arithmetic number, because the mean of its divisors is an integer number (56301409297).

Almost surely, 2^225106947073 is an apocalyptic number.

It is an amenable number.

225106947073 is a deficient number, since it is larger than the sum of its proper divisors (98690115).

225106947073 is an equidigital number, since it uses as much as digits as its factorization.

225106947073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98690114.

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 225106947073 in words is "two hundred twenty-five billion, one hundred six million, nine hundred forty-seven thousand, seventy-three".