22425400513520 has 80 divisors (see below), whose sum is σ = 53989275625920. Its totient is φ = 8652442982400.

The previous prime is 22425400513511. The next prime is 22425400513541. The reversal of 22425400513520 is 2531500452422.

It is a happy number.

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 (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2295821 + ... + 7079660.

It is an arithmetic number, because the mean of its divisors is an integer number (674865945324).

Almost surely, 2^{22425400513520} is an apocalyptic number.

22425400513520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22425400513520 is an abundant number, since it is smaller than the sum of its proper divisors (31563875112400).

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

22425400513520 is a wasteful number, since it uses less digits than its factorization.

22425400513520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9376554 (or 9376548 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 22425400513520 its reverse (2531500452422), we get a palindrome (24956900965942).

The spelling of 22425400513520 in words is "twenty-two trillion, four hundred twenty-five billion, four hundred million, five hundred thirteen thousand, five hundred twenty".