8422125838 has 16 divisors (see below), whose sum is σ = 14443841664. Its totient is φ = 3608004600.

The previous prime is 8422125779. The next prime is 8422125853. The reversal of 8422125838 is 8385212248.

It is a super-2 number, since 2×8422125838² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8422125794 and 8422125803.

It is a congruent number.

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, 87388 + ... + 156463.

It is an arithmetic number, because the mean of its divisors is an integer number (902740104).

Almost surely, 2^8422125838 is an apocalyptic number.

8422125838 is a deficient number, since it is larger than the sum of its proper divisors (6021715826).

8422125838 is a wasteful number, since it uses less digits than its factorization.

8422125838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246327.

The product of its digits is 245760, while the sum is 43.

The square root of 8422125838 is about 91772.1408598492. The cubic root of 8422125838 is about 2034.5759600389.

The spelling of 8422125838 in words is "eight billion, four hundred twenty-two million, one hundred twenty-five thousand, eight hundred thirty-eight".