22224431034321 has 4 divisors (see below), whose sum is σ = 29632574712432. Its totient is φ = 14816287356212.

The previous prime is 22224431034287. The next prime is 22224431034341. The reversal of 22224431034321 is 12343013442222.

It is a happy number.

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 22224431034321 - 2⁶ = 22224431034257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22224431034341) 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, 3704071839051 + ... + 3704071839056.

It is an arithmetic number, because the mean of its divisors is an integer number (7408143678108).

Almost surely, 2^{22224431034321} is an apocalyptic number.

It is an amenable number.

22224431034321 is a deficient number, since it is larger than the sum of its proper divisors (7408143678111).

22224431034321 is an equidigital number, since it uses as much as digits as its factorization.

22224431034321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7408143678110.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 22224431034321 its reverse (12343013442222), we get a palindrome (34567444476543).

The spelling of 22224431034321 in words is "twenty-two trillion, two hundred twenty-four billion, four hundred thirty-one million, thirty-four thousand, three hundred twenty-one".