22030401221 has 4 divisors (see below), whose sum is σ = 22036963200. Its totient is φ = 22023839244.

The previous prime is 22030401209. The next prime is 22030401293. The reversal of 22030401221 is 12210403022.

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 22030401221 - 2³⁰ = 20956659397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22030401221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22030401821) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3275951 + ... + 3282668.

It is an arithmetic number, because the mean of its divisors is an integer number (5509240800).

Almost surely, 2^22030401221 is an apocalyptic number.

It is an amenable number.

22030401221 is a deficient number, since it is larger than the sum of its proper divisors (6561979).

22030401221 is an equidigital number, since it uses as much as digits as its factorization.

22030401221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6561978.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 22030401221 its reverse (12210403022), we get a palindrome (34240804243).

The spelling of 22030401221 in words is "twenty-two billion, thirty million, four hundred one thousand, two hundred twenty-one".