224655625 has 10 divisors (see below), whose sum is σ = 280730450. Its totient is φ = 179724000.

The previous prime is 224655611. The next prime is 224655631. The reversal of 224655625 is 526556422.

It can be written as a sum of positive squares in 5 ways, for example, as 126090441 + 98565184 = 11229^2 + 9928^2 .

It is not a de Polignac number, because 224655625 - 2⁵ = 224655593 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 179100 + ... + 180349.

It is an arithmetic number, because the mean of its divisors is an integer number (28073045).

Almost surely, 2^224655625 is an apocalyptic number.

224655625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

224655625 is a deficient number, since it is larger than the sum of its proper divisors (56074825).

224655625 is an frugal number, since it uses more digits than its factorization.

224655625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359469 (or 359454 counting only the distinct ones).

The product of its digits is 144000, while the sum is 37.

The square root of 224655625 is about 14988.5164375931. The cubic root of 224655625 is about 607.9097361745.

The spelling of 224655625 in words is "two hundred twenty-four million, six hundred fifty-five thousand, six hundred twenty-five".