8223164445 has 16 divisors (see below), whose sum is σ = 13158793152. Its totient is φ = 4385111040.

The previous prime is 8223164441. The next prime is 8223164449. The reversal of 8223164445 is 5444613228.

It is an interprime number because it is at equal distance from previous prime (8223164441) and next prime (8223164449).

It is not a de Polignac number, because 8223164445 - 2² = 8223164441 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8223164441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97894 + ... + 161336.

It is an arithmetic number, because the mean of its divisors is an integer number (822424572).

Almost surely, 2^8223164445 is an apocalyptic number.

It is an amenable number.

8223164445 is a deficient number, since it is larger than the sum of its proper divisors (4935628707).

8223164445 is a wasteful number, since it uses less digits than its factorization.

8223164445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72092.

The product of its digits is 184320, while the sum is 39.

The square root of 8223164445 is about 90681.6654291263. The cubic root of 8223164445 is about 2018.4267432576.

The spelling of 8223164445 in words is "eight billion, two hundred twenty-three million, one hundred sixty-four thousand, four hundred forty-five".