21222424134033 has 8 divisors (see below), whose sum is σ = 28297988316000. Its totient is φ = 14147571354048.

The previous prime is 21222424133891. The next prime is 21222424134047. The reversal of 21222424134033 is 33043142422212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 21222424134033 - 2¹⁴ = 21222424117649 is a prime.

It is a super-2 number, since 2×21222424134033² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 21222424133985 and 21222424134003.

It is not an unprimeable number, because it can be changed into a prime (21222424134083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177780883 + ... + 177900216.

It is an arithmetic number, because the mean of its divisors is an integer number (3537248539500).

Almost surely, 2^{21222424134033} is an apocalyptic number.

It is an amenable number.

21222424134033 is a deficient number, since it is larger than the sum of its proper divisors (7075564181967).

21222424134033 is a wasteful number, since it uses less digits than its factorization.

21222424134033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355700991.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 21222424134033 its reverse (33043142422212), we get a palindrome (54265566556245).

The spelling of 21222424134033 in words is "twenty-one trillion, two hundred twenty-two billion, four hundred twenty-four million, one hundred thirty-four thousand, thirty-three".