22103423321 has 16 divisors (see below), whose sum is σ = 25444281600. Its totient is φ = 18808796160.

The previous prime is 22103423317. The next prime is 22103423323. The reversal of 22103423321 is 12332430122.

It is not a de Polignac number, because 22103423321 - 2² = 22103423317 is a prime.

It is a super-2 number, since 2×22103423321² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22103423323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 619241 + ... + 653961.

It is an arithmetic number, because the mean of its divisors is an integer number (1590267600).

Almost surely, 2^22103423321 is an apocalyptic number.

It is an amenable number.

22103423321 is a deficient number, since it is larger than the sum of its proper divisors (3340858279).

22103423321 is a wasteful number, since it uses less digits than its factorization.

22103423321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35384.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 22103423321 its reverse (12332430122), we get a palindrome (34435853443).

The spelling of 22103423321 in words is "twenty-two billion, one hundred three million, four hundred twenty-three thousand, three hundred twenty-one".