22125436436 has 24 divisors (see below), whose sum is σ = 41346762240. Its totient is φ = 10336687200.

The previous prime is 22125436429. The next prime is 22125436507. The reversal of 22125436436 is 63463452122.

It is a self number, because there is not a number n which added to its sum of digits gives 22125436436.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3072800 + ... + 3079991.

It is an arithmetic number, because the mean of its divisors is an integer number (1722781760).

Almost surely, 2^22125436436 is an apocalyptic number.

It is an amenable number.

22125436436 is a deficient number, since it is larger than the sum of its proper divisors (19221325804).

22125436436 is a wasteful number, since it uses less digits than its factorization.

22125436436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6152855 (or 6152853 counting only the distinct ones).

The product of its digits is 207360, while the sum is 38.

Adding to 22125436436 its reverse (63463452122), we get a palindrome (85588888558).

The spelling of 22125436436 in words is "twenty-two billion, one hundred twenty-five million, four hundred thirty-six thousand, four hundred thirty-six".