22419120 has 80 divisors (see below), whose sum is σ = 70218720. Its totient is φ = 5916672.

The previous prime is 22419119. The next prime is 22419127. The reversal of 22419120 is 2191422.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (22419127) 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 15 ways as a sum of consecutive naturals, for example, 25732 + ... + 26588.

It is an arithmetic number, because the mean of its divisors is an integer number (877734).

Almost surely, 2^22419120 is an apocalyptic number.

22419120 is a gapful number since it is divisible by the number (20) 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 22419120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35109360).

22419120 is an abundant number, since it is smaller than the sum of its proper divisors (47799600).

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

22419120 is a wasteful number, since it uses less digits than its factorization.

22419120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982 (or 976 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 22419120 is about 4734.8833142961. The cubic root of 22419120 is about 281.9721314445.

The spelling of 22419120 in words is "twenty-two million, four hundred nineteen thousand, one hundred twenty".