22502303403440 has 80 divisors (see below), whose sum is σ = 59794322442240. Its totient is φ = 7714754461440.

The previous prime is 22502303403439. The next prime is 22502303403449. The reversal of 22502303403440 is 4430430320522.

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

It is a junction number, because it is equal to n+sod(n) for n = 22502303403397 and 22502303403406.

It is not an unprimeable number, because it can be changed into a prime (22502303403449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12835241 + ... + 14482679.

It is an arithmetic number, because the mean of its divisors is an integer number (747429030528).

Almost surely, 2^{22502303403440} is an apocalyptic number.

22502303403440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22502303403440 is an abundant number, since it is smaller than the sum of its proper divisors (37292019038800).

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

22502303403440 is a wasteful number, since it uses less digits than its factorization.

22502303403440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671850 (or 1671844 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 32.

Adding to 22502303403440 its reverse (4430430320522), we get a palindrome (26932733723962).

The spelling of 22502303403440 in words is "twenty-two trillion, five hundred two billion, three hundred three million, four hundred three thousand, four hundred forty".