225984935797 has 4 divisors (see below), whose sum is σ = 233777519820. Its totient is φ = 218192351776.

The previous prime is 225984935777. The next prime is 225984935807. The reversal of 225984935797 is 797539489522.

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 174422334321 + 51562601476 = 417639^2 + 227074^2 .

It is a cyclic number.

It is not a de Polignac number, because 225984935797 - 2⁷ = 225984935669 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 (225984935777) 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, 3896291968 + ... + 3896292025.

It is an arithmetic number, because the mean of its divisors is an integer number (58444379955).

Almost surely, 2^225984935797 is an apocalyptic number.

It is an amenable number.

225984935797 is a deficient number, since it is larger than the sum of its proper divisors (7792584023).

225984935797 is an equidigital number, since it uses as much as digits as its factorization.

225984935797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7792584022.

The product of its digits is 342921600, while the sum is 70.

The spelling of 225984935797 in words is "two hundred twenty-five billion, nine hundred eighty-four million, nine hundred thirty-five thousand, seven hundred ninety-seven".