8223666349 has 8 divisors (see below), whose sum is σ = 8291340288. Its totient is φ = 8156066880.

The previous prime is 8223666331. The next prime is 8223666359. The reversal of 8223666349 is 9436663228.

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 8223666349 - 2⁹ = 8223665837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8223666359) by changing a digit.

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, 215124 + ... + 250450.

It is an arithmetic number, because the mean of its divisors is an integer number (1036417536).

Almost surely, 2^8223666349 is an apocalyptic number.

It is an amenable number.

8223666349 is a deficient number, since it is larger than the sum of its proper divisors (67673939).

8223666349 is a wasteful number, since it uses less digits than its factorization.

8223666349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37235.

The product of its digits is 2239488, while the sum is 49.

The square root of 8223666349 is about 90684.4327820382. The cubic root of 8223666349 is about 2018.4678075727.

The spelling of 8223666349 in words is "eight billion, two hundred twenty-three million, six hundred sixty-six thousand, three hundred forty-nine".