8422811945 has 8 divisors (see below), whose sum is σ = 10546825536. Its totient is φ = 6445282096.

The previous prime is 8422811933. The next prime is 8422811981. The reversal of 8422811945 is 5491182248.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8422811945 - 2¹⁸ = 8422549801 is a prime.

It is a super-2 number, since 2×8422811945² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8422811896 and 8422811905.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36620807 + ... + 36621036.

It is an arithmetic number, because the mean of its divisors is an integer number (1318353192).

Almost surely, 2^8422811945 is an apocalyptic number.

It is an amenable number.

8422811945 is a deficient number, since it is larger than the sum of its proper divisors (2124013591).

8422811945 is a wasteful number, since it uses less digits than its factorization.

8422811945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73241871.

The product of its digits is 184320, while the sum is 44.

The square root of 8422811945 is about 91775.8788843779. The cubic root of 8422811945 is about 2034.6312073296.

The spelling of 8422811945 in words is "eight billion, four hundred twenty-two million, eight hundred eleven thousand, nine hundred forty-five".