8225407 has 2 divisors, whose sum is σ = 8225408. Its totient is φ = 8225406.

The previous prime is 8225381. The next prime is 8225429. The reversal of 8225407 is 7045228.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8225407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8225207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4112703 + 4112704.

It is an arithmetic number, because the mean of its divisors is an integer number (4112704).

Almost surely, 2^8225407 is an apocalyptic number.

8225407 is a deficient number, since it is larger than the sum of its proper divisors (1).

8225407 is an equidigital number, since it uses as much as digits as its factorization.

8225407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 8225407 is about 2867.9970362607. The cubic root of 8225407 is about 201.8610209595.

The spelling of 8225407 in words is "eight million, two hundred twenty-five thousand, four hundred seven".