22221302241 has 4 divisors (see below), whose sum is σ = 29628402992. Its totient is φ = 14814201492.

The previous prime is 22221302203. The next prime is 22221302261. The reversal of 22221302241 is 14220312222.

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 not a de Polignac number, because 22221302241 - 2¹⁴ = 22221285857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22221302261) 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, 3703550371 + ... + 3703550376.

It is an arithmetic number, because the mean of its divisors is an integer number (7407100748).

Almost surely, 2^22221302241 is an apocalyptic number.

It is an amenable number.

22221302241 is a deficient number, since it is larger than the sum of its proper divisors (7407100751).

22221302241 is an equidigital number, since it uses as much as digits as its factorization.

22221302241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7407100750.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 22221302241 its reverse (14220312222), we get a palindrome (36441614463).

The spelling of 22221302241 in words is "twenty-two billion, two hundred twenty-one million, three hundred two thousand, two hundred forty-one".