22421521223343 has 96 divisors (see below), whose sum is σ = 37083976630272. Its totient is φ = 12921576148800.

The previous prime is 22421521223327. The next prime is 22421521223351. The reversal of 22421521223343 is 34332212512422.

22421521223343 is a `hidden beast` number, since 2 + 2 + 42 + 1 + 52 + 1 + 223 + 343 = 666.

It is not a de Polignac number, because 22421521223343 - 2⁴ = 22421521223327 is a prime.

It is a super-2 number, since 2×22421521223343² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22421521223298 and 22421521223307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22421521223243) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 707577846 + ... + 707609532.

It is an arithmetic number, because the mean of its divisors is an integer number (386291423232).

Almost surely, 2^{22421521223343} is an apocalyptic number.

22421521223343 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

22421521223343 is a deficient number, since it is larger than the sum of its proper divisors (14662455406929).

22421521223343 is a wasteful number, since it uses less digits than its factorization.

22421521223343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33545 (or 33542 counting only the distinct ones).

The product of its digits is 138240, while the sum is 36.

Adding to 22421521223343 its reverse (34332212512422), we get a palindrome (56753733735765).

The spelling of 22421521223343 in words is "twenty-two trillion, four hundred twenty-one billion, five hundred twenty-one million, two hundred twenty-three thousand, three hundred forty-three".