9220487 has 2 divisors, whose sum is σ = 9220488. Its totient is φ = 9220486.

The previous prime is 9220483. The next prime is 9220501. The reversal of 9220487 is 7840229.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9220487 - 2² = 9220483 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9220481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4610243 + 4610244.

It is an arithmetic number, because the mean of its divisors is an integer number (4610244).

Almost surely, 2^9220487 is an apocalyptic number.

9220487 is a deficient number, since it is larger than the sum of its proper divisors (1).

9220487 is an equidigital number, since it uses as much as digits as its factorization.

9220487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 9220487 is about 3036.5254815331. The cubic root of 9220487 is about 209.6933316719.

The spelling of 9220487 in words is "nine million, two hundred twenty thousand, four hundred eighty-seven".