225386293 has 4 divisors (see below), whose sum is σ = 245875968. Its totient is φ = 204896620.

The previous prime is 225386279. The next prime is 225386309. The reversal of 225386293 is 392683522.

It is a happy number.

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 225386293 - 2⁵ = 225386261 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225386233) 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, 10244821 + ... + 10244842.

It is an arithmetic number, because the mean of its divisors is an integer number (61468992).

Almost surely, 2^225386293 is an apocalyptic number.

It is an amenable number.

225386293 is a deficient number, since it is larger than the sum of its proper divisors (20489675).

225386293 is a wasteful number, since it uses less digits than its factorization.

225386293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20489674.

The product of its digits is 155520, while the sum is 40.

The square root of 225386293 is about 15012.8709113214. The cubic root of 225386293 is about 608.5680764083.

The spelling of 225386293 in words is "two hundred twenty-five million, three hundred eighty-six thousand, two hundred ninety-three".