21222052413614 has 8 divisors (see below), whose sum is σ = 34281776975880. Its totient is φ = 9794793421656.

The previous prime is 21222052413607. The next prime is 21222052413629. The reversal of 21222052413614 is 41631425022212.

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, 408116392544 + ... + 408116392595.

It is an arithmetic number, because the mean of its divisors is an integer number (4285222121985).

Almost surely, 2^{21222052413614} is an apocalyptic number.

21222052413614 is a deficient number, since it is larger than the sum of its proper divisors (13059724562266).

21222052413614 is a wasteful number, since it uses less digits than its factorization.

21222052413614 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816232785154.

The product of its (nonzero) digits is 46080, while the sum is 35.

Adding to 21222052413614 its reverse (41631425022212), we get a palindrome (62853477435826).

The spelling of 21222052413614 in words is "twenty-one trillion, two hundred twenty-two billion, fifty-two million, four hundred thirteen thousand, six hundred fourteen".