8223269645 has 16 divisors (see below), whose sum is σ = 9899263920. Its totient is φ = 6557760000.

The previous prime is 8223269627. The next prime is 8223269657. The reversal of 8223269645 is 5469623228.

It can be written as a sum of positive squares in 8 ways, for example, as 44521 + 8223225124 = 211^2 + 90682^2 .

It is not a de Polignac number, because 8223269645 - 2⁶ = 8223269581 is a prime.

It is a super-3 number, since 3×8223269645³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8223269645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2489495 + ... + 2492795.

It is an arithmetic number, because the mean of its divisors is an integer number (618703995).

Almost surely, 2^8223269645 is an apocalyptic number.

It is an amenable number.

8223269645 is a deficient number, since it is larger than the sum of its proper divisors (1675994275).

8223269645 is a wasteful number, since it uses less digits than its factorization.

8223269645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4736.

The product of its digits is 1244160, while the sum is 47.

The square root of 8223269645 is about 90682.2454783735. The cubic root of 8223269645 is about 2018.4353505519.

The spelling of 8223269645 in words is "eight billion, two hundred twenty-three million, two hundred sixty-nine thousand, six hundred forty-five".