8223449 has 16 divisors (see below), whose sum is σ = 9284352. Its totient is φ = 7233408.

The previous prime is 8223421. The next prime is 8223451. The reversal of 8223449 is 9443228.

It is not a de Polignac number, because 8223449 - 2¹² = 8219353 is a prime.

It is a super-2 number, since 2×8223449² = 135250226911202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8223469) 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, 26117 + ... + 26429.

It is an arithmetic number, because the mean of its divisors is an integer number (580272).

Almost surely, 2^8223449 is an apocalyptic number.

It is an amenable number.

8223449 is a deficient number, since it is larger than the sum of its proper divisors (1060903).

8223449 is a wasteful number, since it uses less digits than its factorization.

8223449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416.

The product of its digits is 13824, while the sum is 32.

The square root of 8223449 is about 2867.6556627322. The cubic root of 8223449 is about 201.8450024919.

The spelling of 8223449 in words is "eight million, two hundred twenty-three thousand, four hundred forty-nine".