21456522223314 has 32 divisors (see below), whose sum is σ = 44417318120640. Its totient is φ = 6901734168000.

The previous prime is 21456522223277. The next prime is 21456522223319. The reversal of 21456522223314 is 41332222565412.

It is a super-3 number, since 3×21456522223314³ (a number of 41 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (21456522223319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33730537 + ... + 34360764.

It is an arithmetic number, because the mean of its divisors is an integer number (1388041191270).

Almost surely, 2^{21456522223314} is an apocalyptic number.

21456522223314 is an abundant number, since it is smaller than the sum of its proper divisors (22960795897326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21456522223314 is a wasteful number, since it uses less digits than its factorization.

21456522223314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68093146.

The product of its digits is 691200, while the sum is 42.

Adding to 21456522223314 its reverse (41332222565412), we get a palindrome (62788744788726).

The spelling of 21456522223314 in words is "twenty-one trillion, four hundred fifty-six billion, five hundred twenty-two million, two hundred twenty-three thousand, three hundred fourteen".