225009036 has 96 divisors (see below), whose sum is σ = 688271360. Its totient is φ = 62208000.

The previous prime is 225009013. The next prime is 225009041. The reversal of 225009036 is 630900522.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18636 + ... + 28236.

Almost surely, 2^225009036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225009036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344135680).

225009036 is an abundant number, since it is smaller than the sum of its proper divisors (463262324).

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

225009036 is a wasteful number, since it uses less digits than its factorization.

225009036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9652 (or 9644 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The square root of 225009036 is about 15000.3011969760. The cubic root of 225009036 is about 608.2283414894.

Adding to 225009036 its reverse (630900522), we get a palindrome (855909558).

The spelling of 225009036 in words is "two hundred twenty-five million, nine thousand, thirty-six".