89992224 has 144 divisors (see below), whose sum is σ = 298771200. Its totient is φ = 25683840.

The previous prime is 89992223. The next prime is 89992229. The reversal of 89992224 is 42229998.

It is a tau number, because it is divible by the number of its divisors (144).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 89992224.

It is not an unprimeable number, because it can be changed into a prime (89992223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 98329 + ... + 99239.

It is an arithmetic number, because the mean of its divisors is an integer number (2074800).

Almost surely, 2^89992224 is an apocalyptic number.

89992224 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89992224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149385600).

89992224 is an abundant number, since it is smaller than the sum of its proper divisors (208778976).

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

89992224 is a wasteful number, since it uses less digits than its factorization.

89992224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948 (or 923 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 89992224 is about 9486.4231404676. The cubic root of 89992224 is about 448.1275678383.

The spelling of 89992224 in words is "eighty-nine million, nine hundred ninety-two thousand, two hundred twenty-four".