225308630 has 16 divisors (see below), whose sum is σ = 405854064. Its totient is φ = 90057120.

The previous prime is 225308617. The next prime is 225308639. The reversal of 225308630 is 36803522.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 225308593 and 225308602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225308639) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7385 + ... + 22475.

It is an arithmetic number, because the mean of its divisors is an integer number (25365879).

Almost surely, 2^225308630 is an apocalyptic number.

225308630 is a deficient number, since it is larger than the sum of its proper divisors (180545434).

225308630 is a wasteful number, since it uses less digits than its factorization.

225308630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16591.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 225308630 is about 15010.2841412146. The cubic root of 225308630 is about 608.4981687969.

The spelling of 225308630 in words is "two hundred twenty-five million, three hundred eight thousand, six hundred thirty".