22244300344221 has 16 divisors (see below), whose sum is σ = 31037780841984. Its totient is φ = 14143892915504.

The previous prime is 22244300344207. The next prime is 22244300344271. The reversal of 22244300344221 is 12244300344222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22244300344221 - 2⁷ = 22244300344093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22244300344271) 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, 464502231 + ... + 464550116.

It is an arithmetic number, because the mean of its divisors is an integer number (1939861302624).

Almost surely, 2^{22244300344221} is an apocalyptic number.

It is an amenable number.

22244300344221 is a deficient number, since it is larger than the sum of its proper divisors (8793480497763).

22244300344221 is a wasteful number, since it uses less digits than its factorization.

22244300344221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929052720.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 22244300344221 its reverse (12244300344222), we get a palindrome (34488600688443).

Subtracting from 22244300344221 its reverse (12244300344222), we obtain a palindrome (9999999999999).

The spelling of 22244300344221 in words is "twenty-two trillion, two hundred forty-four billion, three hundred million, three hundred forty-four thousand, two hundred twenty-one".