225930136 has 16 divisors (see below), whose sum is σ = 448538040. Its totient is φ = 106320000.

The previous prime is 225930113. The next prime is 225930137. The reversal of 225930136 is 631039522.

It is a junction number, because it is equal to n+sod(n) for n = 225930098 and 225930107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225930137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 830490 + ... + 830761.

Almost surely, 2^225930136 is an apocalyptic number.

It is an amenable number.

225930136 is a deficient number, since it is larger than the sum of its proper divisors (222607904).

225930136 is a wasteful number, since it uses less digits than its factorization.

225930136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1661274 (or 1661270 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 225930136 is about 15030.9725566911. The cubic root of 225930136 is about 609.0571621177.

Adding to 225930136 its reverse (631039522), we get a palindrome (856969658).

The spelling of 225930136 in words is "two hundred twenty-five million, nine hundred thirty thousand, one hundred thirty-six".