22504125531320 has 128 divisors (see below), whose sum is σ = 51947684328960. Its totient is φ = 8768832061440.

The previous prime is 22504125531319. The next prime is 22504125531323. The reversal of 22504125531320 is 2313552140522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22504125531323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3721532537 + ... + 3721538583.

It is an arithmetic number, because the mean of its divisors is an integer number (405841283820).

Almost surely, 2^{22504125531320} is an apocalyptic number.

22504125531320 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 22504125531320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25973842164480).

22504125531320 is an abundant number, since it is smaller than the sum of its proper divisors (29443558797640).

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

22504125531320 is a wasteful number, since it uses less digits than its factorization.

22504125531320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9153 (or 9149 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

Adding to 22504125531320 its reverse (2313552140522), we get a palindrome (24817677671842).

The spelling of 22504125531320 in words is "twenty-two trillion, five hundred four billion, one hundred twenty-five million, five hundred thirty-one thousand, three hundred twenty".