22525221435 has 16 divisors (see below), whose sum is σ = 36042215424. Its totient is φ = 12012831072.

The previous prime is 22525221413. The next prime is 22525221479. The reversal of 22525221435 is 53412252522.

It is not a de Polignac number, because 22525221435 - 2⁹ = 22525220923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22525221396 and 22525221405.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 542214 + ... + 582276.

It is an arithmetic number, because the mean of its divisors is an integer number (2252638464).

Almost surely, 2^22525221435 is an apocalyptic number.

22525221435 is a deficient number, since it is larger than the sum of its proper divisors (13516993989).

22525221435 is a wasteful number, since it uses less digits than its factorization.

22525221435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77554.

The product of its digits is 48000, while the sum is 33.

Adding to 22525221435 its reverse (53412252522), we get a palindrome (75937473957).

The spelling of 22525221435 in words is "twenty-two billion, five hundred twenty-five million, two hundred twenty-one thousand, four hundred thirty-five".