22889376 has 144 divisors (see below), whose sum is σ = 70761600. Its totient is φ = 6994944.

The previous prime is 22889371. The next prime is 22889387. The reversal of 22889376 is 67398822.

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

It is not an unprimeable number, because it can be changed into a prime (22889371) 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, 257140 + ... + 257228.

It is an arithmetic number, because the mean of its divisors is an integer number (491400).

Almost surely, 2^22889376 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 22889376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35380800).

22889376 is an abundant number, since it is smaller than the sum of its proper divisors (47872224).

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

22889376 is a wasteful number, since it uses less digits than its factorization.

22889376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171 (or 160 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 22889376 is about 4784.2842724905. The cubic root of 22889376 is about 283.9300230952.

It can be divided in two parts, 2288 and 9376, that added together give a square (11664 = 108²).

The spelling of 22889376 in words is "twenty-two million, eight hundred eighty-nine thousand, three hundred seventy-six".