22040305404 has 48 divisors (see below), whose sum is σ = 57791311872. Its totient is φ = 6486777792.

The previous prime is 22040305403. The next prime is 22040305423. The reversal of 22040305404 is 40450304022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22040305403) 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, 3067804 + ... + 3074979.

It is an arithmetic number, because the mean of its divisors is an integer number (1203985664).

Almost surely, 2^22040305404 is an apocalyptic number.

It is an amenable number.

22040305404 is an abundant number, since it is smaller than the sum of its proper divisors (35751006468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22040305404 is a wasteful number, since it uses less digits than its factorization.

22040305404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6142826 (or 6142824 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

Adding to 22040305404 its reverse (40450304022), we get a palindrome (62490609426).

The spelling of 22040305404 in words is "twenty-two billion, forty million, three hundred five thousand, four hundred four".