22123530505 has 16 divisors (see below), whose sum is σ = 27774399744. Its totient is φ = 16899752320.

The previous prime is 22123530493. The next prime is 22123530547. The reversal of 22123530505 is 50503532122.

It is not a de Polignac number, because 22123530505 - 2¹¹ = 22123528457 is a prime.

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, 1138447 + ... + 1157716.

It is an arithmetic number, because the mean of its divisors is an integer number (1735899984).

Almost surely, 2^22123530505 is an apocalyptic number.

It is an amenable number.

22123530505 is a deficient number, since it is larger than the sum of its proper divisors (5650869239).

22123530505 is a wasteful number, since it uses less digits than its factorization.

22123530505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2296256.

The product of its (nonzero) digits is 9000, while the sum is 28.

The spelling of 22123530505 in words is "twenty-two billion, one hundred twenty-three million, five hundred thirty thousand, five hundred five".