225735973 has 4 divisors (see below), whose sum is σ = 225766528. Its totient is φ = 225705420.

The previous prime is 225735959. The next prime is 225735977. The reversal of 225735973 is 379537522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225735973 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 (225735977) 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, 3490 + ... + 21532.

It is an arithmetic number, because the mean of its divisors is an integer number (56441632).

Almost surely, 2^225735973 is an apocalyptic number.

It is an amenable number.

225735973 is a deficient number, since it is larger than the sum of its proper divisors (30555).

225735973 is a wasteful number, since it uses less digits than its factorization.

225735973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30554.

The product of its digits is 396900, while the sum is 43.

The square root of 225735973 is about 15024.5124047338. The cubic root of 225735973 is about 608.8826387594.

The spelling of 225735973 in words is "two hundred twenty-five million, seven hundred thirty-five thousand, nine hundred seventy-three".