22240402405 has 64 divisors (see below), whose sum is σ = 32268499200. Its totient is φ = 14536765440.

The previous prime is 22240402381. The next prime is 22240402417. The reversal of 22240402405 is 50420404222.

It is not a de Polignac number, because 22240402405 - 2⁹ = 22240401893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22240402405.

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 2914495 + ... + 2922115.

It is an arithmetic number, because the mean of its divisors is an integer number (504195300).

Almost surely, 2^22240402405 is an apocalyptic number.

It is an amenable number.

22240402405 is a deficient number, since it is larger than the sum of its proper divisors (10028096795).

22240402405 is a wasteful number, since it uses less digits than its factorization.

22240402405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7814.

The product of its (nonzero) digits is 5120, while the sum is 25.

Adding to 22240402405 its reverse (50420404222), we get a palindrome (72660806627).

The spelling of 22240402405 in words is "twenty-two billion, two hundred forty million, four hundred two thousand, four hundred five".