47219 has 4 divisors (see below), whose sum is σ = 49296. Its totient is φ = 45144.

The previous prime is 47207. The next prime is 47221. The reversal of 47219 is 91274.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47219 is a prime.

It is a super-2 number, since 2×47219² = 4459267922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 2053 = 47219 / (4 + 7 + 2 + 1 + 9).

It is a Duffinian number.

It is a plaindrome in base 12.

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 47194 and 47203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1004 + ... + 1049.

It is an arithmetic number, because the mean of its divisors is an integer number (12324).

2⁴⁷²¹⁹ is an apocalyptic number.

47219 is a deficient number, since it is larger than the sum of its proper divisors (2077).

47219 is a wasteful number, since it uses less digits than its factorization.

47219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2076.

The product of its digits is 504, while the sum is 23.

The square root of 47219 is about 217.2993327187. The cubic root of 47219 is about 36.1442259461.

The spelling of 47219 in words is "forty-seven thousand, two hundred nineteen".