225728486 has 16 divisors (see below), whose sum is σ = 355104000. Its totient is φ = 107410248.

The previous prime is 225728471. The next prime is 225728501. The reversal of 225728486 is 684827522.

It is an interprime number because it is at equal distance from previous prime (225728471) and next prime (225728501).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 3176 + ... + 21483.

It is an arithmetic number, because the mean of its divisors is an integer number (22194000).

Almost surely, 2^225728486 is an apocalyptic number.

225728486 is a deficient number, since it is larger than the sum of its proper divisors (129375514).

225728486 is a wasteful number, since it uses less digits than its factorization.

225728486 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24883.

The product of its digits is 430080, while the sum is 44.

The square root of 225728486 is about 15024.2632431677. The cubic root of 225728486 is about 608.8759070680.

The spelling of 225728486 in words is "two hundred twenty-five million, seven hundred twenty-eight thousand, four hundred eighty-six".