21222042224014 has 8 divisors (see below), whose sum is σ = 33705596473488. Its totient is φ = 9986843399520.

The previous prime is 21222042223951. The next prime is 21222042224029. The reversal of 21222042224014 is 41042224022212.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312088856202 + ... + 312088856269.

It is an arithmetic number, because the mean of its divisors is an integer number (4213199559186).

Almost surely, 2^{21222042224014} is an apocalyptic number.

21222042224014 is a deficient number, since it is larger than the sum of its proper divisors (12483554249474).

21222042224014 is a wasteful number, since it uses less digits than its factorization.

21222042224014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 624177712490.

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 21222042224014 its reverse (41042224022212), we get a palindrome (62264266246226).

The spelling of 21222042224014 in words is "twenty-one trillion, two hundred twenty-two billion, forty-two million, two hundred twenty-four thousand, fourteen".