22043340404 has 12 divisors (see below), whose sum is σ = 38973535524. Its totient is φ = 10908044544.

The previous prime is 22043340383. The next prime is 22043340419. The reversal of 22043340404 is 40404334022.

It can be written as a sum of positive squares in 2 ways, for example, as 5990450404 + 16052890000 = 77398^2 + 126700^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 28405979 + ... + 28406754.

It is an arithmetic number, because the mean of its divisors is an integer number (3247794627).

Almost surely, 2^22043340404 is an apocalyptic number.

It is an amenable number.

22043340404 is a deficient number, since it is larger than the sum of its proper divisors (16930195120).

22043340404 is a wasteful number, since it uses less digits than its factorization.

22043340404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56812834 (or 56812832 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 22043340404 its reverse (40404334022), we get a palindrome (62447674426).

The spelling of 22043340404 in words is "twenty-two billion, forty-three million, three hundred forty thousand, four hundred four".