99922944 has 88 divisors (see below), whose sum is σ = 290641248. Its totient is φ = 30269440.

The previous prime is 99922943. The next prime is 99922961. The reversal of 99922944 is 44922999.

It is a tau number, because it is divible by the number of its divisors (88).

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 99922893 and 99922902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99922943) 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 7 ways as a sum of consecutive naturals, for example, 32314 + ... + 35270.

Almost surely, 2^99922944 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 99922944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145320624).

99922944 is an abundant number, since it is smaller than the sum of its proper divisors (190718304).

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

99922944 is a wasteful number, since it uses less digits than its factorization.

99922944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2991 (or 2973 counting only the distinct ones).

The product of its digits is 419904, while the sum is 48.

The square root of 99922944 is about 9996.1464575105. The cubic root of 99922944 is about 464.0396319695.

Subtracting from 99922944 its reverse (44922999), we obtain a palindrome (54999945).

The spelling of 99922944 in words is "ninety-nine million, nine hundred twenty-two thousand, nine hundred forty-four".