22302224044221 has 32 divisors (see below), whose sum is σ = 34348845391488. Its totient is φ = 12721027850240.

The previous prime is 22302224044109. The next prime is 22302224044237. The reversal of 22302224044221 is 12244042220322.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22302224044221 - 2⁴² = 17904177533117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22302224044271) 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 31 ways as a sum of consecutive naturals, for example, 18580141 + ... + 19744013.

It is an arithmetic number, because the mean of its divisors is an integer number (1073401418484).

Almost surely, 2^{22302224044221} is an apocalyptic number.

It is an amenable number.

22302224044221 is a deficient number, since it is larger than the sum of its proper divisors (12046621347267).

22302224044221 is a wasteful number, since it uses less digits than its factorization.

22302224044221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1198061.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 22302224044221 its reverse (12244042220322), we get a palindrome (34546266264543).

The spelling of 22302224044221 in words is "twenty-two trillion, three hundred two billion, two hundred twenty-four million, forty-four thousand, two hundred twenty-one".