182213947 has 8 divisors (see below), whose sum is σ = 186202800. Its totient is φ = 178245600.

The previous prime is 182213929. The next prime is 182213957. The reversal of 182213947 is 749312281.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-182213947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (182213917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13572 + ... + 23422.

It is an arithmetic number, because the mean of its divisors is an integer number (23275350).

Almost surely, 2^182213947 is an apocalyptic number.

182213947 is a deficient number, since it is larger than the sum of its proper divisors (3988853).

182213947 is an equidigital number, since it uses as much as digits as its factorization.

182213947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10253.

The product of its digits is 24192, while the sum is 37.

The square root of 182213947 is about 13498.6646376595. The cubic root of 182213947 is about 566.9270840336.

The spelling of 182213947 in words is "one hundred eighty-two million, two hundred thirteen thousand, nine hundred forty-seven".