21222016415414 has 32 divisors (see below), whose sum is σ = 32162886846720. Its totient is φ = 10501630365312.

The previous prime is 21222016415323. The next prime is 21222016415417. The reversal of 21222016415414 is 41451461022212.

It is a happy number.

It is a super-2 number, since 2×21222016415414² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21222016415417) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 479105852 + ... + 479150144.

It is an arithmetic number, because the mean of its divisors is an integer number (1005090213960).

Almost surely, 2^{21222016415414} is an apocalyptic number.

21222016415414 is a deficient number, since it is larger than the sum of its proper divisors (10940870431306).

21222016415414 is a wasteful number, since it uses less digits than its factorization.

21222016415414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50744.

The product of its (nonzero) digits is 30720, while the sum is 35.

Adding to 21222016415414 its reverse (41451461022212), we get a palindrome (62673477437626).

The spelling of 21222016415414 in words is "twenty-one trillion, two hundred twenty-two billion, sixteen million, four hundred fifteen thousand, four hundred fourteen".