22123230450 has 48 divisors (see below), whose sum is σ = 57753282720. Its totient is φ = 5589025920.

The previous prime is 22123230419. The next prime is 22123230487. The reversal of 22123230450 is 5403232122.

It is a self number, because there is not a number n which added to its sum of digits gives 22123230450.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3878419 + ... + 3884118.

It is an arithmetic number, because the mean of its divisors is an integer number (1203193390).

Almost surely, 2^22123230450 is an apocalyptic number.

22123230450 is an abundant number, since it is smaller than the sum of its proper divisors (35630052270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22123230450 is a wasteful number, since it uses less digits than its factorization.

22123230450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7762571 (or 7762566 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

Adding to 22123230450 its reverse (5403232122), we get a palindrome (27526462572).

The spelling of 22123230450 in words is "twenty-two billion, one hundred twenty-three million, two hundred thirty thousand, four hundred fifty".