22153422525 has 48 divisors (see below), whose sum is σ = 39518304000. Its totient is φ = 10885881600.

The previous prime is 22153422491. The next prime is 22153422541. The reversal of 22153422525 is 52522435122.

It is a de Polignac number, because none of the positive numbers 2^k-22153422525 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 506476 + ... + 548474.

It is an arithmetic number, because the mean of its divisors is an integer number (823298000).

Almost surely, 2^22153422525 is an apocalyptic number.

22153422525 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22153422525 is a deficient number, since it is larger than the sum of its proper divisors (17364881475).

22153422525 is a wasteful number, since it uses less digits than its factorization.

22153422525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42566 (or 42561 counting only the distinct ones).

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

Adding to 22153422525 its reverse (52522435122), we get a palindrome (74675857647).

The spelling of 22153422525 in words is "twenty-two billion, one hundred fifty-three million, four hundred twenty-two thousand, five hundred twenty-five".