22125435535530 has 40 divisors (see below), whose sum is σ = 59492837775492. Its totient is φ = 5900116142592.

The previous prime is 22125435535501. The next prime is 22125435535559. The reversal of 22125435535530 is 3553553452122.

22125435535530 is a `hidden beast` number, since 2 + 2 + 1 + 2 + 5 + 43 + 5 + 53 + 553 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (22125435535501) and next prime (22125435535559).

It can be written as a sum of positive squares in 2 ways, for example, as 21898103970681 + 227331564849 = 4679541^2 + 476793^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 13657675447 + ... + 13657677066.

Almost surely, 2^{22125435535530} is an apocalyptic number.

22125435535530 is an abundant number, since it is smaller than the sum of its proper divisors (37367402239962).

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

22125435535530 is a wasteful number, since it uses less digits than its factorization.

22125435535530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27315352532 (or 27315352523 counting only the distinct ones).

The product of its (nonzero) digits is 2700000, while the sum is 45.

Adding to 22125435535530 its reverse (3553553452122), we get a palindrome (25678988987652).

The spelling of 22125435535530 in words is "twenty-two trillion, one hundred twenty-five billion, four hundred thirty-five million, five hundred thirty-five thousand, five hundred thirty".