22240450434431 has 16 divisors (see below), whose sum is σ = 22744430691840. Its totient is φ = 21737764835520.

The previous prime is 22240450434373. The next prime is 22240450434439. The reversal of 22240450434431 is 13443405404222.

It is a cyclic number.

It is not a de Polignac number, because 22240450434431 - 2³⁴ = 22223270565247 is a prime.

It is a super-2 number, since 2×22240450434431² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22240450434439) 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, 174331475 + ... + 174459003.

It is an arithmetic number, because the mean of its divisors is an integer number (1421526918240).

Almost surely, 2^{22240450434431} is an apocalyptic number.

22240450434431 is a deficient number, since it is larger than the sum of its proper divisors (503980257409).

22240450434431 is a wasteful number, since it uses less digits than its factorization.

22240450434431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132574.

The product of its (nonzero) digits is 368640, while the sum is 38.

Adding to 22240450434431 its reverse (13443405404222), we get a palindrome (35683855838653).

The spelling of 22240450434431 in words is "twenty-two trillion, two hundred forty billion, four hundred fifty million, four hundred thirty-four thousand, four hundred thirty-one".