22234440405 has 16 divisors (see below), whose sum is σ = 35577527040. Its totient is φ = 11857560768.

The previous prime is 22234440311. The next prime is 22234440491. The reversal of 22234440405 is 50404443222.

It is not a de Polignac number, because 22234440405 - 2¹² = 22234436309 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 15 ways as a sum of consecutive naturals, for example, 226039 + ... + 309131.

It is an arithmetic number, because the mean of its divisors is an integer number (2223595440).

Almost surely, 2^22234440405 is an apocalyptic number.

It is an amenable number.

22234440405 is a deficient number, since it is larger than the sum of its proper divisors (13343086635).

22234440405 is a wasteful number, since it uses less digits than its factorization.

22234440405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100940.

The product of its (nonzero) digits is 30720, while the sum is 30.

Adding to 22234440405 its reverse (50404443222), we get a palindrome (72638883627).

The spelling of 22234440405 in words is "twenty-two billion, two hundred thirty-four million, four hundred forty thousand, four hundred five".