225240036 has 48 divisors (see below), whose sum is σ = 611985024. Its totient is φ = 63138816.

The previous prime is 225240031. The next prime is 225240047. The reversal of 225240036 is 630042522.

It is a junction number, because it is equal to n+sod(n) for n = 225239988 and 225240015.

It is not an unprimeable number, because it can be changed into a prime (225240031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20845 + ... + 29748.

It is an arithmetic number, because the mean of its divisors is an integer number (12749688).

Almost surely, 2^225240036 is an apocalyptic number.

It is an amenable number.

225240036 is an abundant number, since it is smaller than the sum of its proper divisors (386744988).

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

225240036 is a wasteful number, since it uses less digits than its factorization.

225240036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50660 (or 50658 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 225240036 is about 15007.9990671642. Note that the first 3 decimals coincide. The cubic root of 225240036 is about 608.4364111981.

Adding to 225240036 its reverse (630042522), we get a palindrome (855282558).

The spelling of 225240036 in words is "two hundred twenty-five million, two hundred forty thousand, thirty-six".