8422851436 has 12 divisors (see below), whose sum is σ = 15380859312. Its totient is φ = 4028320208.

The previous prime is 8422851419. The next prime is 8422851443. The reversal of 8422851436 is 6341582248.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 8422851392 and 8422851401.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45776275 + ... + 45776458.

It is an arithmetic number, because the mean of its divisors is an integer number (1281738276).

Almost surely, 2^8422851436 is an apocalyptic number.

It is an amenable number.

8422851436 is a deficient number, since it is larger than the sum of its proper divisors (6958007876).

8422851436 is a wasteful number, since it uses less digits than its factorization.

8422851436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91552760 (or 91552758 counting only the distinct ones).

The product of its digits is 368640, while the sum is 43.

The square root of 8422851436 is about 91776.0940332503. The cubic root of 8422851436 is about 2034.6343871662.

The spelling of 8422851436 in words is "eight billion, four hundred twenty-two million, eight hundred fifty-one thousand, four hundred thirty-six".