99880022 has 16 divisors (see below), whose sum is σ = 164890512. Its totient is φ = 44997120.

The previous prime is 99880021. The next prime is 99880051. The reversal of 99880022 is 22008899.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99880021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17603 + ... + 22574.

It is an arithmetic number, because the mean of its divisors is an integer number (10305657).

Almost surely, 2^99880022 is an apocalyptic number.

99880022 is a deficient number, since it is larger than the sum of its proper divisors (65010490).

99880022 is a wasteful number, since it uses less digits than its factorization.

99880022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40303.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 99880022 is about 9993.9992995797. Note that the first 3 decimals coincide. The cubic root of 99880022 is about 463.9731795585.

It can be divided in two parts, 99 and 880022, that multiplied together give a palindrome (87122178).

The spelling of 99880022 in words is "ninety-nine million, eight hundred eighty thousand, twenty-two".