47225 has 6 divisors (see below), whose sum is σ = 58590. Its totient is φ = 37760.

The previous prime is 47221. The next prime is 47237. The reversal of 47225 is 52274.

47225 = T₁₆ + T₁₇ + ... + T₆₅.

It can be written as a sum of positive squares in 3 ways, for example, as 2704 + 44521 = 52^2 + 211^2 .

It is not a de Polignac number, because 47225 - 2² = 47221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47197 and 47206.

It is not an unprimeable number, because it can be changed into a prime (47221) 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, 920 + ... + 969.

It is an arithmetic number, because the mean of its divisors is an integer number (9765).

2⁴⁷²²⁵ is an apocalyptic number.

It is an amenable number.

47225 is a deficient number, since it is larger than the sum of its proper divisors (11365).

47225 is a wasteful number, since it uses less digits than its factorization.

47225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1899 (or 1894 counting only the distinct ones).

The product of its digits is 560, while the sum is 20.

The square root of 47225 is about 217.3131381210. The cubic root of 47225 is about 36.1457568000.

Subtracting from 47225 its product of digits (560), we obtain a triangular number (46665 = T₃₀₅).

Adding to 47225 its reverse (52274), we get a palindrome (99499).

It can be divided in two parts, 47 and 225, that added together give a palindrome (272).

The spelling of 47225 in words is "forty-seven thousand, two hundred twenty-five".