21214014422 has 8 divisors (see below), whose sum is σ = 31849718400. Its totient is φ = 10597441624.

The previous prime is 21214014407. The next prime is 21214014473. The reversal of 21214014422 is 22441041212.

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, 4780022 + ... + 4784457.

It is an arithmetic number, because the mean of its divisors is an integer number (3981214800).

Almost surely, 2^21214014422 is an apocalyptic number.

21214014422 is a deficient number, since it is larger than the sum of its proper divisors (10635703978).

21214014422 is a wasteful number, since it uses less digits than its factorization.

21214014422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9565590.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 21214014422 its reverse (22441041212), we get a palindrome (43655055634).

The spelling of 21214014422 in words is "twenty-one billion, two hundred fourteen million, fourteen thousand, four hundred twenty-two".