2001422934 has 72 divisors (see below), whose sum is σ = 5066572680. Its totient is φ = 569322432.

The previous prime is 2001422933. The next prime is 2001422939. The reversal of 2001422934 is 4392241002.

2001422934 is a `hidden beast` number, since 200 + 1 + 422 + 9 + 34 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2001422898 and 2001422907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2001422933) by changing a digit.

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 35 ways as a sum of consecutive naturals, for example, 200637 + ... + 210375.

It is an arithmetic number, because the mean of its divisors is an integer number (70369065).

Almost surely, 2^2001422934 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2001422934, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2533286340).

2001422934 is an abundant number, since it is smaller than the sum of its proper divisors (3065149746).

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

2001422934 is a wasteful number, since it uses less digits than its factorization.

2001422934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9994 (or 9984 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 2001422934 is about 44737.2656070976. The cubic root of 2001422934 is about 1260.2197764779.

Adding to 2001422934 its reverse (4392241002), we get a palindrome (6393663936).

The spelling of 2001422934 in words is "two billion, one million, four hundred twenty-two thousand, nine hundred thirty-four".