22125244530 has 32 divisors (see below), whose sum is σ = 53105443200. Its totient is φ = 5899525632.

The previous prime is 22125244529. The next prime is 22125244613. The reversal of 22125244530 is 3544252122.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 385011 + ... + 438729.

It is an arithmetic number, because the mean of its divisors is an integer number (1659545100).

Almost surely, 2^22125244530 is an apocalyptic number.

22125244530 is an abundant number, since it is smaller than the sum of its proper divisors (30980198670).

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

22125244530 is a wasteful number, since it uses less digits than its factorization.

22125244530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67458.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 22125244530 its reverse (3544252122), we get a palindrome (25669496652).

The spelling of 22125244530 in words is "twenty-two billion, one hundred twenty-five million, two hundred forty-four thousand, five hundred thirty".