225063630464 has 16 divisors (see below), whose sum is σ = 448368951570. Its totient is φ = 112531815168.

The previous prime is 225063630457. The next prime is 225063630509. The reversal of 225063630464 is 464036360522.

225063630464 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 224668416064 + 395214400 = 473992^2 + 19880^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 879154679 + ... + 879154934.

Almost surely, 2^225063630464 is an apocalyptic number.

It is an amenable number.

225063630464 is a deficient number, since it is larger than the sum of its proper divisors (223305321106).

225063630464 is an equidigital number, since it uses as much as digits as its factorization.

225063630464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1758309627 (or 1758309615 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 41.

Adding to 225063630464 its reverse (464036360522), we get a palindrome (689099990986).

The spelling of 225063630464 in words is "two hundred twenty-five billion, sixty-three million, six hundred thirty thousand, four hundred sixty-four".