63622495225 has 27 divisors (see below), whose sum is σ = 80303507661. Its totient is φ = 50003066400.

The previous prime is 63622495193. The next prime is 63622495231. The reversal of 63622495225 is 52259422636.

The square root of 63622495225 is 252235.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 29305673721 + 34316821504 = 171189^2 + 185248^2 .

It is not a de Polignac number, because 63622495225 - 2⁵ = 63622495193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 76931262 + ... + 76932088.

Almost surely, 2^63622495225 is an apocalyptic number.

63622495225 is the 252235-th square number.

63622495225 is the 126118-th centered octagonal number.

It is an amenable number.

63622495225 is a deficient number, since it is larger than the sum of its proper divisors (16681012436).

63622495225 is an frugal number, since it uses more digits than its factorization.

63622495225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1786 (or 893 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 46.

The spelling of 63622495225 in words is "sixty-three billion, six hundred twenty-two million, four hundred ninety-five thousand, two hundred twenty-five".