2001367722 has 32 divisors (see below), whose sum is σ = 4054377600. Its totient is φ = 658555200.

The previous prime is 2001367673. The next prime is 2001367723. The reversal of 2001367722 is 2277631002.

It is a self number, because there is not a number n which added to its sum of digits gives 2001367722.

It is not an unprimeable number, because it can be changed into a prime (2001367723) 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 15 ways as a sum of consecutive naturals, for example, 206763 + ... + 216225.

It is an arithmetic number, because the mean of its divisors is an integer number (126699300).

Almost surely, 2^2001367722 is an apocalyptic number.

2001367722 is an abundant number, since it is smaller than the sum of its proper divisors (2053009878).

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

2001367722 is a wasteful number, since it uses less digits than its factorization.

2001367722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9918.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 2001367722 is about 44736.6485333893. The cubic root of 2001367722 is about 1260.2081880737.

Adding to 2001367722 its reverse (2277631002), we get a palindrome (4278998724).

The spelling of 2001367722 in words is "two billion, one million, three hundred sixty-seven thousand, seven hundred twenty-two".