47447005225 has 12 divisors (see below), whose sum is σ = 58974048460. Its totient is φ = 37867435200.

The previous prime is 47447005223. The next prime is 47447005247. The reversal of 47447005225 is 52250074474.

It can be written as a sum of positive squares in 6 ways, for example, as 697646569 + 46749358656 = 26413^2 + 216216^2 .

It is not a de Polignac number, because 47447005225 - 2¹ = 47447005223 is a prime.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (47447005223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2243490 + ... + 2264539.

Almost surely, 2^47447005225 is an apocalyptic number.

It is an amenable number.

47447005225 is a deficient number, since it is larger than the sum of its proper divisors (11527043235).

47447005225 is a wasteful number, since it uses less digits than its factorization.

47447005225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4508460 (or 4508455 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 40.

Adding to 47447005225 its reverse (52250074474), we get a palindrome (99697079699).

The spelling of 47447005225 in words is "forty-seven billion, four hundred forty-seven million, five thousand, two hundred twenty-five".