22589898521 has 4 divisors (see below), whose sum is σ = 22604970000. Its totient is φ = 22574827044.

The previous prime is 22589898517. The next prime is 22589898587. The reversal of 22589898521 is 12589898522.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22589898521 - 2² = 22589898517 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22549898521) 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 3 ways as a sum of consecutive naturals, for example, 7533491 + ... + 7536488.

It is an arithmetic number, because the mean of its divisors is an integer number (5651242500).

Almost surely, 2^22589898521 is an apocalyptic number.

It is an amenable number.

22589898521 is a deficient number, since it is larger than the sum of its proper divisors (15071479).

22589898521 is a wasteful number, since it uses less digits than its factorization.

22589898521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15071478.

The product of its digits is 8294400, while the sum is 59.

Subtracting from 22589898521 its reverse (12589898522), we obtain a palindrome (9999999999).

The spelling of 22589898521 in words is "twenty-two billion, five hundred eighty-nine million, eight hundred ninety-eight thousand, five hundred twenty-one".