225945719999 has 4 divisors (see below), whose sum is σ = 225951601440. Its totient is φ = 225939838560.

The previous prime is 225945719929. The next prime is 225945720031. The reversal of 225945719999 is 999917549522.

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

It is a cyclic number.

It is not a de Polignac number, because 225945719999 - 2⁸ = 225945719743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225945719929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2882714 + ... + 2960055.

It is an arithmetic number, because the mean of its divisors is an integer number (56487900360).

Almost surely, 2^225945719999 is an apocalyptic number.

225945719999 is a deficient number, since it is larger than the sum of its proper divisors (5881441).

225945719999 is an equidigital number, since it uses as much as digits as its factorization.

225945719999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5881440.

The product of its digits is 165337200, while the sum is 71.

The spelling of 225945719999 in words is "two hundred twenty-five billion, nine hundred forty-five million, seven hundred nineteen thousand, nine hundred ninety-nine".