21622214337263 has 8 divisors (see below), whose sum is σ = 22456635833856. Its totient is φ = 20796351010200.

The previous prime is 21622214337257. The next prime is 21622214337299. The reversal of 21622214337263 is 36273341222612.

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

It is a cyclic number.

It is not a de Polignac number, because 21622214337263 - 2⁴ = 21622214337247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21622214337203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2139537233 + ... + 2139547338.

It is an arithmetic number, because the mean of its divisors is an integer number (2807079479232).

Almost surely, 2^{21622214337263} is an apocalyptic number.

21622214337263 is a deficient number, since it is larger than the sum of its proper divisors (834421496593).

21622214337263 is a wasteful number, since it uses less digits than its factorization.

21622214337263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4279084765.

The product of its digits is 870912, while the sum is 44.

Adding to 21622214337263 its reverse (36273341222612), we get a palindrome (57895555559875).

The spelling of 21622214337263 in words is "twenty-one trillion, six hundred twenty-two billion, two hundred fourteen million, three hundred thirty-seven thousand, two hundred sixty-three".