22040312005 has 16 divisors (see below), whose sum is σ = 27729131904. Its totient is φ = 16785679680.

The previous prime is 22040312003. The next prime is 22040312029. The reversal of 22040312005 is 50021304022.

It is not a de Polignac number, because 22040312005 - 2¹ = 22040312003 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22040312003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 429894 + ... + 478423.

It is an arithmetic number, because the mean of its divisors is an integer number (1733070744).

Almost surely, 2^22040312005 is an apocalyptic number.

It is an amenable number.

22040312005 is a deficient number, since it is larger than the sum of its proper divisors (5688819899).

22040312005 is a wasteful number, since it uses less digits than its factorization.

22040312005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908556.

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 22040312005 its reverse (50021304022), we get a palindrome (72061616027).

The spelling of 22040312005 in words is "twenty-two billion, forty million, three hundred twelve thousand, five".