99219082 has 4 divisors (see below), whose sum is σ = 148828626. Its totient is φ = 49609540.

The previous prime is 99219077. The next prime is 99219097. The reversal of 99219082 is 28091299.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28091299 = 2437 ⋅11527.

It can be written as a sum of positive squares in only one way, i.e., 80478841 + 18740241 = 8971^2 + 4329^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24804769 + ... + 24804772.

Almost surely, 2^99219082 is an apocalyptic number.

99219082 is a deficient number, since it is larger than the sum of its proper divisors (49609544).

99219082 is a wasteful number, since it uses less digits than its factorization.

99219082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49609543.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 99219082 is about 9960.8775717805. The cubic root of 99219082 is about 462.9474911180.

The spelling of 99219082 in words is "ninety-nine million, two hundred nineteen thousand, eighty-two".