99381122 has 8 divisors (see below), whose sum is σ = 149157372. Its totient is φ = 49662000.

The previous prime is 99381109. The next prime is 99381151. The reversal of 99381122 is 22118399.

It can be written as a sum of positive squares in 2 ways, for example, as 64464841 + 34916281 = 8029^2 + 5909^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9629 + ... + 17072.

Almost surely, 2^99381122 is an apocalyptic number.

99381122 is a deficient number, since it is larger than the sum of its proper divisors (49776250).

99381122 is a wasteful number, since it uses less digits than its factorization.

99381122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28564.

The product of its digits is 7776, while the sum is 35.

The square root of 99381122 is about 9969.0080750293. The cubic root of 99381122 is about 463.1993754982.

The spelling of 99381122 in words is "ninety-nine million, three hundred eighty-one thousand, one hundred twenty-two".