8725422538 has 16 divisors (see below), whose sum is σ = 14988343104. Its totient is φ = 3731847840.

The previous prime is 8725422527. The next prime is 8725422553. The reversal of 8725422538 is 8352245278.

It is a super-2 number, since 2×8725422538² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 627795 + ... + 641542.

It is an arithmetic number, because the mean of its divisors is an integer number (936771444).

Almost surely, 2^8725422538 is an apocalyptic number.

8725422538 is a deficient number, since it is larger than the sum of its proper divisors (6262920566).

8725422538 is a wasteful number, since it uses less digits than its factorization.

8725422538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1269837.

The product of its digits is 1075200, while the sum is 46.

The square root of 8725422538 is about 93409.9702280222. The cubic root of 8725422538 is about 2058.7114933703.

The spelling of 8725422538 in words is "eight billion, seven hundred twenty-five million, four hundred twenty-two thousand, five hundred thirty-eight".