8722299042 has 18 divisors (see below), whose sum is σ = 18899173137. Its totient is φ = 2907300936.

The previous prime is 8722299037. The next prime is 8722299059. The reversal of 8722299042 is 2409922278.

It can be written as a sum of positive squares in 2 ways, for example, as 8387079561 + 335219481 = 91581^2 + 18309^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=66039.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 385228 + ... + 407240.

Almost surely, 2^8722299042 is an apocalyptic number.

8722299042 is an abundant number, since it is smaller than the sum of its proper divisors (10176874095).

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

8722299042 is an frugal number, since it uses more digits than its factorization.

8722299042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44034 (or 22018 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 8722299042 is about 93393.2494455568. The cubic root of 8722299042 is about 2058.4658072904.

The spelling of 8722299042 in words is "eight billion, seven hundred twenty-two million, two hundred ninety-nine thousand, forty-two".