22593040 has 20 divisors (see below), whose sum is σ = 52529004. Its totient is φ = 9037184.

The previous prime is 22593037. The next prime is 22593049. The reversal of 22593040 is 4039522.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4343056 + 18249984 = 2084^2 + 4272^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 22592996 and 22593014.

It is not an unprimeable number, because it can be changed into a prime (22593049) 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 3 ways as a sum of consecutive naturals, for example, 141127 + ... + 141286.

Almost surely, 2^22593040 is an apocalyptic number.

22593040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22593040 is an abundant number, since it is smaller than the sum of its proper divisors (29935964).

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

22593040 is a wasteful number, since it uses less digits than its factorization.

22593040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282426 (or 282420 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 22593040 is about 4753.2136497321. The cubic root of 22593040 is about 282.6994023833.

The spelling of 22593040 in words is "twenty-two million, five hundred ninety-three thousand, forty".