225900493 has 16 divisors (see below), whose sum is σ = 278570880. Its totient is φ = 178387776.

The previous prime is 225900449. The next prime is 225900497. The reversal of 225900493 is 394009522.

It is not a de Polignac number, because 225900493 - 2⁹ = 225899981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225900497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51303 + ... + 55531.

It is an arithmetic number, because the mean of its divisors is an integer number (17410680).

Almost surely, 2^225900493 is an apocalyptic number.

It is an amenable number.

225900493 is a deficient number, since it is larger than the sum of its proper divisors (52670387).

225900493 is a wasteful number, since it uses less digits than its factorization.

225900493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4836.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 225900493 is about 15029.9864604064. The cubic root of 225900493 is about 609.0305239845.

The spelling of 225900493 in words is "two hundred twenty-five million, nine hundred thousand, four hundred ninety-three".