99220834 has 4 divisors (see below), whose sum is σ = 148831254. Its totient is φ = 49610416.

The previous prime is 99220829. The next prime is 99220843. The reversal of 99220834 is 43802299.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 43802299 = 1033 ⋅42403.

It can be written as a sum of positive squares in only one way, i.e., 81956809 + 17264025 = 9053^2 + 4155^2 .

It is a junction number, because it is equal to n+sod(n) for n = 99220793 and 99220802.

It is an unprimeable number.

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, 24805207 + ... + 24805210.

Almost surely, 2^99220834 is an apocalyptic number.

99220834 is a deficient number, since it is larger than the sum of its proper divisors (49610420).

99220834 is a wasteful number, since it uses less digits than its factorization.

99220834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49610419.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 99220834 is about 9960.9655154508. The cubic root of 99220834 is about 462.9502159945.

The spelling of 99220834 in words is "ninety-nine million, two hundred twenty thousand, eight hundred thirty-four".