225125330 has 32 divisors (see below), whose sum is σ = 411119280. Its totient is φ = 88750080.

The previous prime is 225125323. The next prime is 225125389. The reversal of 225125330 is 33521522.

It can be written as a sum of positive squares in 8 ways, for example, as 196084009 + 29041321 = 14003^2 + 5389^2 .

It is a junction number, because it is equal to n+sod(n) for n = 225125296 and 225125305.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 262262 + ... + 263118.

Almost surely, 2^225125330 is an apocalyptic number.

225125330 is a deficient number, since it is larger than the sum of its proper divisors (185993950).

225125330 is a wasteful number, since it uses less digits than its factorization.

225125330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1214.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 225125330 is about 15004.1770850653. The cubic root of 225125330 is about 608.3331093179. Note that the first 3 decimals are identical.

Adding to 225125330 its reverse (33521522), we get a palindrome (258646852).

The spelling of 225125330 in words is "two hundred twenty-five million, one hundred twenty-five thousand, three hundred thirty".