21622214337254 has 8 divisors (see below), whose sum is σ = 32983038819720. Its totient is φ = 10627868064016.

The previous prime is 21622214337247. The next prime is 21622214337257. The reversal of 21622214337254 is 45273341222612.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21622214337257) 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, 91619552159 + ... + 91619552394.

It is an arithmetic number, because the mean of its divisors is an integer number (4122879852465).

Almost surely, 2^{21622214337254} is an apocalyptic number.

21622214337254 is a deficient number, since it is larger than the sum of its proper divisors (11360824482466).

21622214337254 is a wasteful number, since it uses less digits than its factorization.

21622214337254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183239104614.

The product of its digits is 967680, while the sum is 44.

Adding to 21622214337254 its reverse (45273341222612), we get a palindrome (66895555559866).

The spelling of 21622214337254 in words is "twenty-one trillion, six hundred twenty-two billion, two hundred fourteen million, three hundred thirty-seven thousand, two hundred fifty-four".