22224040533 has 12 divisors (see below), whose sum is σ = 32103405100. Its totient is φ = 14815097856.

The previous prime is 22224040511. The next prime is 22224040537. The reversal of 22224040533 is 33504042222.

It is a happy number.

22224040533 is a `hidden beast` number, since 2 + 2 + 224 + 0 + 405 + 33 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 18169152849 + 4054887684 = 134793^2 + 63678^2 .

It is a de Polignac number, because none of the positive numbers 2^k-22224040533 is a prime.

It is a super-2 number, since 2×22224040533² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22224040497 and 22224040506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22224040537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 94035 + ... + 230847.

Almost surely, 2^22224040533 is an apocalyptic number.

It is an amenable number.

22224040533 is a deficient number, since it is larger than the sum of its proper divisors (9879364567).

22224040533 is a wasteful number, since it uses less digits than its factorization.

22224040533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154868 (or 154865 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 22224040533 its reverse (33504042222), we get a palindrome (55728082755).

The spelling of 22224040533 in words is "twenty-two billion, two hundred twenty-four million, forty thousand, five hundred thirty-three".