8001722052 has 30 divisors (see below), whose sum is σ = 20918082878. Its totient is φ = 2667240576.

The previous prime is 8001722051. The next prime is 8001722101. The reversal of 8001722052 is 2502271008.

It can be written as a sum of positive squares in only one way, i.e., 5521084416 + 2480637636 = 74304^2 + 49806^2 .

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

It is not an unprimeable number, because it can be changed into a prime (8001722051) 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 9 ways as a sum of consecutive naturals, for example, 12348013 + ... + 12348660.

Almost surely, 2^8001722052 is an apocalyptic number.

It is an amenable number.

8001722052 is an abundant number, since it is smaller than the sum of its proper divisors (12916360826).

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

8001722052 is a wasteful number, since it uses less digits than its factorization.

8001722052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24696689 (or 24696678 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 8001722052 is about 89452.3451453342. The cubic root of 8001722052 is about 2000.1434940378.

The spelling of 8001722052 in words is "eight billion, one million, seven hundred twenty-two thousand, fifty-two".