8422943236 has 24 divisors (see below), whose sum is σ = 14798690816. Its totient is φ = 4194780480.

The previous prime is 8422943203. The next prime is 8422943239. The reversal of 8422943236 is 6323492248.

It is a junction number, because it is equal to n+sod(n) for n = 8422943192 and 8422943201.

It is not an unprimeable number, because it can be changed into a prime (8422943239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1105801 + ... + 1113391.

Almost surely, 2^8422943236 is an apocalyptic number.

It is an amenable number.

8422943236 is a deficient number, since it is larger than the sum of its proper divisors (6375747580).

8422943236 is a wasteful number, since it uses less digits than its factorization.

8422943236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8659 (or 8657 counting only the distinct ones).

The product of its digits is 497664, while the sum is 43.

The square root of 8422943236 is about 91776.5941621283. The cubic root of 8422943236 is about 2034.6417789131.

The spelling of 8422943236 in words is "eight billion, four hundred twenty-two million, nine hundred forty-three thousand, two hundred thirty-six".