47144225 has 12 divisors (see below), whose sum is σ = 61536240. Its totient is φ = 35730000.

The previous prime is 47144221. The next prime is 47144257. The reversal of 47144225 is 52244174.

It is not a de Polignac number, because 47144225 - 2² = 47144221 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47144221) 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, 49151 + ... + 50100.

It is an arithmetic number, because the mean of its divisors is an integer number (5128020).

Almost surely, 2^47144225 is an apocalyptic number.

It is an amenable number.

47144225 is a deficient number, since it is larger than the sum of its proper divisors (14392015).

47144225 is a wasteful number, since it uses less digits than its factorization.

47144225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99280 (or 99275 counting only the distinct ones).

The product of its digits is 8960, while the sum is 29.

The square root of 47144225 is about 6866.1652325006. The cubic root of 47144225 is about 361.2513679143.

Adding to 47144225 its reverse (52244174), we get a palindrome (99388399).

The spelling of 47144225 in words is "forty-seven million, one hundred forty-four thousand, two hundred twenty-five".