47812225 has 6 divisors (see below), whose sum is σ = 59287190. Its totient is φ = 38249760.

The previous prime is 47812217. The next prime is 47812229. The reversal of 47812225 is 52221874.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 36481 + 47775744 = 191^2 + 6912^2 .

It is not a de Polignac number, because 47812225 - 2³ = 47812217 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47812229) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 956220 + ... + 956269.

Almost surely, 2^47812225 is an apocalyptic number.

It is an amenable number.

47812225 is a deficient number, since it is larger than the sum of its proper divisors (11474965).

47812225 is a wasteful number, since it uses less digits than its factorization.

47812225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912499 (or 1912494 counting only the distinct ones).

The product of its digits is 8960, while the sum is 31.

The square root of 47812225 is about 6914.6384576491. The cubic root of 47812225 is about 362.9495967274.

The spelling of 47812225 in words is "forty-seven million, eight hundred twelve thousand, two hundred twenty-five".