22040432405 has 8 divisors (see below), whose sum is σ = 26481216600. Its totient is φ = 17610547456.

The previous prime is 22040432399. The next prime is 22040432411. The reversal of 22040432405 is 50423404022.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22040432399) and next prime (22040432411).

It can be written as a sum of positive squares in 4 ways, for example, as 4201891684 + 17838540721 = 64822^2 + 133561^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22040432405 - 2⁸ = 22040432149 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 2720360 + ... + 2728449.

It is an arithmetic number, because the mean of its divisors is an integer number (3310152075).

Almost surely, 2^22040432405 is an apocalyptic number.

It is an amenable number.

22040432405 is a deficient number, since it is larger than the sum of its proper divisors (4440784195).

22040432405 is an equidigital number, since it uses as much as digits as its factorization.

22040432405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5449623.

The product of its (nonzero) digits is 7680, while the sum is 26.

Adding to 22040432405 its reverse (50423404022), we get a palindrome (72463836427).

The spelling of 22040432405 in words is "twenty-two billion, forty million, four hundred thirty-two thousand, four hundred five".