225443650236 has 48 divisors (see below), whose sum is σ = 617431266816. Its totient is φ = 62671593024.

The previous prime is 225443650127. The next prime is 225443650283. The reversal of 225443650236 is 632056344522.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36265176 + ... + 36271391.

It is an arithmetic number, because the mean of its divisors is an integer number (12863151392).

Almost surely, 2^225443650236 is an apocalyptic number.

It is an amenable number.

225443650236 is an abundant number, since it is smaller than the sum of its proper divisors (391987616580).

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

225443650236 is a wasteful number, since it uses less digits than its factorization.

225443650236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72536618 (or 72536616 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 42.

Adding to 225443650236 its reverse (632056344522), we get a palindrome (857499994758).

The spelling of 225443650236 in words is "two hundred twenty-five billion, four hundred forty-three million, six hundred fifty thousand, two hundred thirty-six".