8223407 has 2 divisors, whose sum is σ = 8223408. Its totient is φ = 8223406.

The previous prime is 8223367. The next prime is 8223421. The reversal of 8223407 is 7043228.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8223407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8223497) 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 as a sum of consecutive naturals, namely, 4111703 + 4111704.

It is an arithmetic number, because the mean of its divisors is an integer number (4111704).

Almost surely, 2^8223407 is an apocalyptic number.

8223407 is a deficient number, since it is larger than the sum of its proper divisors (1).

8223407 is an equidigital number, since it uses as much as digits as its factorization.

8223407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 8223407 is about 2867.6483396679. The cubic root of 8223407 is about 201.8446588606.

The spelling of 8223407 in words is "eight million, two hundred twenty-three thousand, four hundred seven".