8223399 has 12 divisors (see below), whose sum is σ = 11903112. Its totient is φ = 5470800.

The previous prime is 8223367. The next prime is 8223407. The reversal of 8223399 is 9933228.

It is not a de Polignac number, because 8223399 - 2⁵ = 8223367 is a prime.

It is a super-2 number, since 2×8223399² = 135248582226402, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8223199) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7984 + ... + 8954.

It is an arithmetic number, because the mean of its divisors is an integer number (991926).

Almost surely, 2^8223399 is an apocalyptic number.

8223399 is a deficient number, since it is larger than the sum of its proper divisors (3679713).

8223399 is a wasteful number, since it uses less digits than its factorization.

8223399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1918 (or 1915 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 8223399 is about 2867.6469447964. The cubic root of 8223399 is about 201.8445934069.

The spelling of 8223399 in words is "eight million, two hundred twenty-three thousand, three hundred ninety-nine".