22504323451240 has 32 divisors (see below), whose sum is σ = 50807542562280. Its totient is φ = 8971006749952.

The previous prime is 22504323451237. The next prime is 22504323451241. The reversal of 22504323451240 is 4215432340522.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21830443357636 + 673880093604 = 4672306^2 + 820902^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22504323451240.

It is not an unprimeable number, because it can be changed into a prime (22504323451241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 960070339 + ... + 960093778.

Almost surely, 2^{22504323451240} is an apocalyptic number.

22504323451240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22504323451240 is an abundant number, since it is smaller than the sum of its proper divisors (28303219111040).

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

22504323451240 is a wasteful number, since it uses less digits than its factorization.

22504323451240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1920164421 (or 1920164417 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 22504323451240 its reverse (4215432340522), we get a palindrome (26719755791762).

The spelling of 22504323451240 in words is "twenty-two trillion, five hundred four billion, three hundred twenty-three million, four hundred fifty-one thousand, two hundred forty".