22221003530 has 16 divisors (see below), whose sum is σ = 43633970784. Its totient is φ = 8080364880.

The previous prime is 22221003517. The next prime is 22221003559. The reversal of 22221003530 is 3530012222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 101004452 + ... + 101004671.

It is an arithmetic number, because the mean of its divisors is an integer number (2727123174).

Almost surely, 2^22221003530 is an apocalyptic number.

22221003530 is a deficient number, since it is larger than the sum of its proper divisors (21412967254).

22221003530 is a wasteful number, since it uses less digits than its factorization.

22221003530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202009141.

The product of its (nonzero) digits is 720, while the sum is 20.

Adding to 22221003530 its reverse (3530012222), we get a palindrome (25751015752).

The spelling of 22221003530 in words is "twenty-two billion, two hundred twenty-one million, three thousand, five hundred thirty".