4066722522 has 48 divisors (see below), whose sum is σ = 9000942912. Its totient is φ = 1326669120.

The previous prime is 4066722467. The next prime is 4066722533. The reversal of 4066722522 is 2252276604.

4066722522 is a `hidden beast` number, since 4 + 0 + 66 + 72 + 2 + 522 = 666.

4066722522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 163473 + ... + 186699.

It is an arithmetic number, because the mean of its divisors is an integer number (187519644).

Almost surely, 2^4066722522 is an apocalyptic number.

4066722522 is an abundant number, since it is smaller than the sum of its proper divisors (4934220390).

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

4066722522 is a wasteful number, since it uses less digits than its factorization.

4066722522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23443 (or 23440 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 36.

The square root of 4066722522 is about 63770.8595049494. The cubic root of 4066722522 is about 1596.1787092365.

The spelling of 4066722522 in words is "four billion, sixty-six million, seven hundred twenty-two thousand, five hundred twenty-two".