225252313472 has 32 divisors (see below), whose sum is σ = 448789426680. Its totient is φ = 112614967296.

The previous prime is 225252313471. The next prime is 225252313501. The reversal of 225252313472 is 274313252522.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225252313471) 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, 1290488 + ... + 1454600.

Almost surely, 2^225252313472 is an apocalyptic number.

It is an amenable number.

225252313472 is a deficient number, since it is larger than the sum of its proper divisors (223537113208).

225252313472 is a wasteful number, since it uses less digits than its factorization.

225252313472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174850 (or 174838 counting only the distinct ones).

The product of its digits is 201600, while the sum is 38.

Adding to 225252313472 its reverse (274313252522), we get a palindrome (499565565994).

The spelling of 225252313472 in words is "two hundred twenty-five billion, two hundred fifty-two million, three hundred thirteen thousand, four hundred seventy-two".