225730390 has 8 divisors (see below), whose sum is σ = 406314720. Its totient is φ = 90292152.

The previous prime is 225730367. The next prime is 225730397. The reversal of 225730390 is 93037522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225730397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11286510 + ... + 11286529.

It is an arithmetic number, because the mean of its divisors is an integer number (50789340).

Almost surely, 2^225730390 is an apocalyptic number.

225730390 is a deficient number, since it is larger than the sum of its proper divisors (180584330).

225730390 is a wasteful number, since it uses less digits than its factorization.

225730390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22573046.

The product of its (nonzero) digits is 11340, while the sum is 31.

The square root of 225730390 is about 15024.3266072061. The cubic root of 225730390 is about 608.8776190015.

The spelling of 225730390 in words is "two hundred twenty-five million, seven hundred thirty thousand, three hundred ninety".