230642225 has 24 divisors (see below), whose sum is σ = 313024608. Its totient is φ = 167187200.

The previous prime is 230642221. The next prime is 230642227. The reversal of 230642225 is 522246032.

It is not a de Polignac number, because 230642225 - 2² = 230642221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 230642194 and 230642203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230642221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94217 + ... + 96633.

It is an arithmetic number, because the mean of its divisors is an integer number (13042692).

Almost surely, 2^230642225 is an apocalyptic number.

230642225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

230642225 is a deficient number, since it is larger than the sum of its proper divisors (82382383).

230642225 is a wasteful number, since it uses less digits than its factorization.

230642225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2785 (or 2780 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 230642225 is about 15186.9096593086. The cubic root of 230642225 is about 613.2623078264.

Adding to 230642225 its reverse (522246032), we get a palindrome (752888257).

The spelling of 230642225 in words is "two hundred thirty million, six hundred forty-two thousand, two hundred twenty-five".