22033443244431 has 4 divisors (see below), whose sum is σ = 29377924325912. Its totient is φ = 14688962162952.

The previous prime is 22033443244429. The next prime is 22033443244447. The reversal of 22033443244431 is 13444234433022.

It is a happy number.

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

It is not a de Polignac number, because 22033443244431 - 2¹ = 22033443244429 is a prime.

It is a super-2 number, since 2×22033443244431² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22033443244431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22033443244471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3672240540736 + ... + 3672240540741.

It is an arithmetic number, because the mean of its divisors is an integer number (7344481081478).

Almost surely, 2^{22033443244431} is an apocalyptic number.

22033443244431 is a deficient number, since it is larger than the sum of its proper divisors (7344481081481).

22033443244431 is an equidigital number, since it uses as much as digits as its factorization.

22033443244431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7344481081480.

The product of its (nonzero) digits is 663552, while the sum is 39.

Adding to 22033443244431 its reverse (13444234433022), we get a palindrome (35477677677453).

The spelling of 22033443244431 in words is "twenty-two trillion, thirty-three billion, four hundred forty-three million, two hundred forty-four thousand, four hundred thirty-one".