22521322503 has 12 divisors (see below), whose sum is σ = 32595479280. Its totient is φ = 14984362656.

The previous prime is 22521322493. The next prime is 22521322513. The reversal of 22521322503 is 30522312522.

22521322503 is a `hidden beast` number, since 2 + 25 + 2 + 132 + 2 + 503 = 666.

It is an interprime number because it is at equal distance from previous prime (22521322493) and next prime (22521322513).

It is not a de Polignac number, because 22521322503 - 2⁵ = 22521322471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22521322513) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2482918 + ... + 2491971.

It is an arithmetic number, because the mean of its divisors is an integer number (2716289940).

Almost surely, 2^22521322503 is an apocalyptic number.

22521322503 is a deficient number, since it is larger than the sum of its proper divisors (10074156777).

22521322503 is a wasteful number, since it uses less digits than its factorization.

22521322503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4975398 (or 4975395 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The spelling of 22521322503 in words is "twenty-two billion, five hundred twenty-one million, three hundred twenty-two thousand, five hundred three".