225232436 has 48 divisors (see below), whose sum is σ = 465093888. Its totient is φ = 94089600.

The previous prime is 225232421. The next prime is 225232451. The reversal of 225232436 is 634232522.

225232436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (225232421) and next prime (225232451).

It is a junction number, because it is equal to n+sod(n) for n = 225232399 and 225232408.

It is a congruent number.

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, 154286 + ... + 155738.

It is an arithmetic number, because the mean of its divisors is an integer number (9689456).

Almost surely, 2^225232436 is an apocalyptic number.

225232436 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

225232436 is an abundant number, since it is smaller than the sum of its proper divisors (239861452).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225232436 is a wasteful number, since it uses less digits than its factorization.

225232436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1752 (or 1750 counting only the distinct ones).

The product of its digits is 17280, while the sum is 29.

The square root of 225232436 is about 15007.7458667183. The cubic root of 225232436 is about 608.4295678784.

Adding to 225232436 its reverse (634232522), we get a palindrome (859464958).

The spelling of 225232436 in words is "two hundred twenty-five million, two hundred thirty-two thousand, four hundred thirty-six".