22022332342421 has 4 divisors (see below), whose sum is σ = 22027474147392. Its totient is φ = 22017190537452.

The previous prime is 22022332342399. The next prime is 22022332342457. The reversal of 22022332342421 is 12424323322022.

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 22022332342421 - 2³⁰ = 22021258600597 is a prime.

It is a super-2 number, since 2×22022332342421² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22022302342421) 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, 2570896061 + ... + 2570904626.

It is an arithmetic number, because the mean of its divisors is an integer number (5506868536848).

Almost surely, 2^{22022332342421} is an apocalyptic number.

It is an amenable number.

22022332342421 is a deficient number, since it is larger than the sum of its proper divisors (5141804971).

22022332342421 is an equidigital number, since it uses as much as digits as its factorization.

22022332342421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5141804970.

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 22022332342421 its reverse (12424323322022), we get a palindrome (34446655664443).

The spelling of 22022332342421 in words is "twenty-two trillion, twenty-two billion, three hundred thirty-two million, three hundred forty-two thousand, four hundred twenty-one".