22795440 has 80 divisors (see below), whose sum is σ = 74400000. Its totient is φ = 5757696.

The previous prime is 22795439. The next prime is 22795463. The reversal of 22795440 is 4459722.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2061 + ... + 7059.

It is an arithmetic number, because the mean of its divisors is an integer number (930000).

Almost surely, 2^22795440 is an apocalyptic number.

22795440 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 22795440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37200000).

22795440 is an abundant number, since it is smaller than the sum of its proper divisors (51604560).

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

22795440 is a wasteful number, since it uses less digits than its factorization.

22795440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5034 (or 5028 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 22795440 is about 4774.4570371928. The cubic root of 22795440 is about 283.5410825439.

The spelling of 22795440 in words is "twenty-two million, seven hundred ninety-five thousand, four hundred forty".