22120234355525 has 24 divisors (see below), whose sum is σ = 27842401097280. Its totient is φ = 17429609957760.

The previous prime is 22120234355521. The next prime is 22120234355533. The reversal of 22120234355525 is 52555343202122.

It is not a de Polignac number, because 22120234355525 - 2² = 22120234355521 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22120234355521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11011241 + ... + 12864209.

It is an arithmetic number, because the mean of its divisors is an integer number (1160100045720).

Almost surely, 2^{22120234355525} is an apocalyptic number.

22120234355525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22120234355525 is a deficient number, since it is larger than the sum of its proper divisors (5722166741755).

22120234355525 is a wasteful number, since it uses less digits than its factorization.

22120234355525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860173 (or 1860168 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 41.

Adding to 22120234355525 its reverse (52555343202122), we get a palindrome (74675577557647).

The spelling of 22120234355525 in words is "twenty-two trillion, one hundred twenty billion, two hundred thirty-four million, three hundred fifty-five thousand, five hundred twenty-five".