22595040 has 288 divisors, whose sum is σ = 89159616. Its totient is φ = 5160960.

The previous prime is 22595021. The next prime is 22595051. The reversal of 22595040 is 4059522.

It is a tau number, because it is divible by the number of its divisors (288).

It is a junction number, because it is equal to n+sod(n) for n = 22594995 and 22595013.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 318205 + ... + 318275.

It is an arithmetic number, because the mean of its divisors is an integer number (309582).

Almost surely, 2^22595040 is an apocalyptic number.

22595040 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 22595040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44579808).

22595040 is an abundant number, since it is smaller than the sum of its proper divisors (66564576).

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

22595040 is a wasteful number, since it uses less digits than its factorization.

22595040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122 (or 111 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 22595040 is about 4753.4240290553. The cubic root of 22595040 is about 282.7077439216.

The spelling of 22595040 in words is "twenty-two million, five hundred ninety-five thousand, forty".