225223440536 has 16 divisors (see below), whose sum is σ = 422299137600. Its totient is φ = 112610337184.

The previous prime is 225223440511. The next prime is 225223440539. The reversal of 225223440536 is 635044322522.

It is a self number, because there is not a number n which added to its sum of digits gives 225223440536.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225223440539) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 942425 + ... + 1156983.

It is an arithmetic number, because the mean of its divisors is an integer number (26393696100).

Almost surely, 2^225223440536 is an apocalyptic number.

It is an amenable number.

225223440536 is a deficient number, since it is larger than the sum of its proper divisors (197075697064).

225223440536 is a wasteful number, since it uses less digits than its factorization.

225223440536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345778 (or 345774 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 38.

The spelling of 225223440536 in words is "two hundred twenty-five billion, two hundred twenty-three million, four hundred forty thousand, five hundred thirty-six".