229920625 has 40 divisors (see below), whose sum is σ = 319847616. Its totient is φ = 163800000.

The previous prime is 229920619. The next prime is 229920679. The reversal of 229920625 is 526029922.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-229920625 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 364060 + ... + 364690.

Almost surely, 2^229920625 is an apocalyptic number.

229920625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

229920625 is a deficient number, since it is larger than the sum of its proper divisors (89926991).

229920625 is an equidigital number, since it uses as much as digits as its factorization.

229920625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715 (or 700 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 229920625 is about 15163.1337460302. The cubic root of 229920625 is about 612.6220775690.

The spelling of 229920625 in words is "two hundred twenty-nine million, nine hundred twenty thousand, six hundred twenty-five".