22103002321 has 4 divisors (see below), whose sum is σ = 22118153200. Its totient is φ = 22087851444.

The previous prime is 22103002249. The next prime is 22103002333. The reversal of 22103002321 is 12320030122.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22103002321 - 2¹³ = 22102994129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22103002295 and 22103002304.

It is not an unprimeable number, because it can be changed into a prime (22103002351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7573251 + ... + 7576168.

It is an arithmetic number, because the mean of its divisors is an integer number (5529538300).

Almost surely, 2^22103002321 is an apocalyptic number.

It is an amenable number.

22103002321 is a deficient number, since it is larger than the sum of its proper divisors (15150879).

22103002321 is a wasteful number, since it uses less digits than its factorization.

22103002321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15150878.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 22103002321 its reverse (12320030122), we get a palindrome (34423032443).

The spelling of 22103002321 in words is "twenty-two billion, one hundred three million, two thousand, three hundred twenty-one".