21422444304014 has 16 divisors (see below), whose sum is σ = 34605577954752. Its totient is φ = 9887255985888.

The previous prime is 21422444304007. The next prime is 21422444304031. The reversal of 21422444304014 is 41040344422412.

It is a super-2 number, since 2×21422444304014² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11954192 + ... + 13628924.

It is an arithmetic number, because the mean of its divisors is an integer number (2162848622172).

Almost surely, 2^{21422444304014} is an apocalyptic number.

21422444304014 is a deficient number, since it is larger than the sum of its proper divisors (13183133650738).

21422444304014 is a wasteful number, since it uses less digits than its factorization.

21422444304014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2166731.

The product of its (nonzero) digits is 98304, while the sum is 35.

Adding to 21422444304014 its reverse (41040344422412), we get a palindrome (62462788726426).

The spelling of 21422444304014 in words is "twenty-one trillion, four hundred twenty-two billion, four hundred forty-four million, three hundred four thousand, fourteen".