99220088 has 64 divisors (see below), whose sum is σ = 215377920. Its totient is φ = 42422400.

The previous prime is 99220073. The next prime is 99220117. The reversal of 99220088 is 88002299.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a zygodrome in base 10.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 100445 + ... + 101427.

It is an arithmetic number, because the mean of its divisors is an integer number (3365280).

Almost surely, 2^99220088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99220088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107688960).

99220088 is an abundant number, since it is smaller than the sum of its proper divisors (116157832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99220088 is a wasteful number, since it uses less digits than its factorization.

99220088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1068 (or 1064 counting only the distinct ones).

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

The square root of 99220088 is about 9960.9280692112. The cubic root of 99220088 is about 462.9490557485.

It can be divided in two parts, 992 and 20088, that multiplied together give a square (19927296 = 4464²).

The spelling of 99220088 in words is "ninety-nine million, two hundred twenty thousand, eighty-eight".