22204312231443 has 16 divisors (see below), whose sum is σ = 29901912569760. Its totient is φ = 14655016544256.

The previous prime is 22204312231393. The next prime is 22204312231471. The reversal of 22204312231443 is 34413221340222.

It is a happy number.

It is not a de Polignac number, because 22204312231443 - 2¹² = 22204312227347 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22204312233443) 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 15 ways as a sum of consecutive naturals, for example, 27499780 + ... + 28295697.

It is an arithmetic number, because the mean of its divisors is an integer number (1868869535610).

Almost surely, 2^{22204312231443} is an apocalyptic number.

22204312231443 is a deficient number, since it is larger than the sum of its proper divisors (7697600338317).

22204312231443 is a wasteful number, since it uses less digits than its factorization.

22204312231443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55796806.

The product of its (nonzero) digits is 55296, while the sum is 33.

Adding to 22204312231443 its reverse (34413221340222), we get a palindrome (56617533571665).

The spelling of 22204312231443 in words is "twenty-two trillion, two hundred four billion, three hundred twelve million, two hundred thirty-one thousand, four hundred forty-three".