22240133421 has 16 divisors (see below), whose sum is σ = 32357033280. Its totient is φ = 13475640320.

The previous prime is 22240133401. The next prime is 22240133449. The reversal of 22240133421 is 12433104222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 22240133421 - 2¹⁵ = 22240100653 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22240133391 and 22240133400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22240133401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 62971 + ... + 220103.

It is an arithmetic number, because the mean of its divisors is an integer number (2022314580).

Almost surely, 2^22240133421 is an apocalyptic number.

It is an amenable number.

22240133421 is a deficient number, since it is larger than the sum of its proper divisors (10116899859).

22240133421 is a wasteful number, since it uses less digits than its factorization.

22240133421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161436.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 22240133421 its reverse (12433104222), we get a palindrome (34673237643).

The spelling of 22240133421 in words is "twenty-two billion, two hundred forty million, one hundred thirty-three thousand, four hundred twenty-one".