22011403431 has 4 divisors (see below), whose sum is σ = 29348537912. Its totient is φ = 14674268952.

The previous prime is 22011403411. The next prime is 22011403433. The reversal of 22011403431 is 13430411022.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 22011403431 - 2³¹ = 19863919783 is a prime.

It is a super-2 number, since 2×22011403431² (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 = 22011403398 and 22011403407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011403433) 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 3 ways as a sum of consecutive naturals, for example, 3668567236 + ... + 3668567241.

It is an arithmetic number, because the mean of its divisors is an integer number (7337134478).

Almost surely, 2^22011403431 is an apocalyptic number.

22011403431 is a deficient number, since it is larger than the sum of its proper divisors (7337134481).

22011403431 is an equidigital number, since it uses as much as digits as its factorization.

22011403431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7337134480.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 22011403431 its reverse (13430411022), we get a palindrome (35441814453).

The spelling of 22011403431 in words is "twenty-two billion, eleven million, four hundred three thousand, four hundred thirty-one".