225735816449 has 8 divisors (see below), whose sum is σ = 265200120192. Its totient is φ = 189428657040.

The previous prime is 225735816431. The next prime is 225735816479. The reversal of 225735816449 is 944618537522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 225735816449 - 2²⁰ = 225734767873 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225735816394 and 225735816403.

It is not an unprimeable number, because it can be changed into a prime (225735816409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 789285929 + ... + 789286214.

It is an arithmetic number, because the mean of its divisors is an integer number (33150015024).

Almost surely, 2^225735816449 is an apocalyptic number.

It is an amenable number.

225735816449 is a deficient number, since it is larger than the sum of its proper divisors (39464303743).

225735816449 is a wasteful number, since it uses less digits than its factorization.

225735816449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578572167.

The product of its digits is 14515200, while the sum is 56.

The spelling of 225735816449 in words is "two hundred twenty-five billion, seven hundred thirty-five million, eight hundred sixteen thousand, four hundred forty-nine".