225712933 has 4 divisors (see below), whose sum is σ = 226064608. Its totient is φ = 225361260.

The previous prime is 225712931. The next prime is 225712967. The reversal of 225712933 is 339217522.

225712933 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 225712933 - 2¹ = 225712931 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 (225712931) 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, 174873 + ... + 176158.

It is an arithmetic number, because the mean of its divisors is an integer number (56516152).

Almost surely, 2^225712933 is an apocalyptic number.

It is an amenable number.

225712933 is a deficient number, since it is larger than the sum of its proper divisors (351675).

225712933 is an equidigital number, since it uses as much as digits as its factorization.

225712933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351674.

The product of its digits is 22680, while the sum is 34.

The square root of 225712933 is about 15023.7456381556. The cubic root of 225712933 is about 608.8619226205.

The spelling of 225712933 in words is "two hundred twenty-five million, seven hundred twelve thousand, nine hundred thirty-three".