2005501312422 has 40 divisors (see below), whose sum is σ = 4493982276432. Its totient is φ = 668474586000.

The previous prime is 2005501312417. The next prime is 2005501312427. The reversal of 2005501312422 is 2242131055002.

2005501312422 is a `hidden beast` number, since 200 + 5 + 5 + 0 + 1 + 31 + 2 + 422 = 666.

It is an interprime number because it is at equal distance from previous prime (2005501312417) and next prime (2005501312427).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2005501312427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4218172 + ... + 4669472.

Almost surely, 2^{2005501312422} is an apocalyptic number.

2005501312422 is an abundant number, since it is smaller than the sum of its proper divisors (2488480964010).

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

2005501312422 is a wasteful number, since it uses less digits than its factorization.

2005501312422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 478746 (or 478737 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 2005501312422 its reverse (2242131055002), we get a palindrome (4247632367424).

The spelling of 2005501312422 in words is "two trillion, five billion, five hundred one million, three hundred twelve thousand, four hundred twenty-two".