22214424031221 has 16 divisors (see below), whose sum is σ = 29626839728640. Its totient is φ = 14805812594160.

The previous prime is 22214424031199. The next prime is 22214424031253. The reversal of 22214424031221 is 12213042441222.

It is not a de Polignac number, because 22214424031221 - 2²³ = 22214415642613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22214424031621) 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, 270329086 + ... + 270411248.

It is an arithmetic number, because the mean of its divisors is an integer number (1851677483040).

Almost surely, 2^{22214424031221} is an apocalyptic number.

It is an amenable number.

22214424031221 is a deficient number, since it is larger than the sum of its proper divisors (7412415697419).

22214424031221 is a wasteful number, since it uses less digits than its factorization.

22214424031221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104216.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 22214424031221 its reverse (12213042441222), we get a palindrome (34427466472443).

The spelling of 22214424031221 in words is "twenty-two trillion, two hundred fourteen billion, four hundred twenty-four million, thirty-one thousand, two hundred twenty-one".