219797482 has 4 divisors (see below), whose sum is σ = 329696226. Its totient is φ = 109898740.

The previous prime is 219797449. The next prime is 219797483. The reversal of 219797482 is 284797912.

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

It can be written as a sum of positive squares in only one way, i.e., 193182201 + 26615281 = 13899^2 + 5159^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (219797483) 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 as a sum of consecutive naturals, namely, 54949369 + ... + 54949372.

Almost surely, 2^219797482 is an apocalyptic number.

219797482 is a deficient number, since it is larger than the sum of its proper divisors (109898744).

219797482 is a wasteful number, since it uses less digits than its factorization.

219797482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109898743.

The product of its digits is 508032, while the sum is 49.

The square root of 219797482 is about 14825.5685219826. The cubic root of 219797482 is about 603.4957800182.

The spelling of 219797482 in words is "two hundred nineteen million, seven hundred ninety-seven thousand, four hundred eighty-two".