223065487 has 2 divisors, whose sum is σ = 223065488. Its totient is φ = 223065486.

The previous prime is 223065439. The next prime is 223065497. The reversal of 223065487 is 784560322.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223065487 is a prime.

It is a super-2 number, since 2×223065487² = 99516422981094338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223065497) 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, 111532743 + 111532744.

It is an arithmetic number, because the mean of its divisors is an integer number (111532744).

Almost surely, 2^223065487 is an apocalyptic number.

223065487 is a deficient number, since it is larger than the sum of its proper divisors (1).

223065487 is an equidigital number, since it uses as much as digits as its factorization.

223065487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 223065487 is about 14935.3770290542. The cubic root of 223065487 is about 606.4720541020.

The spelling of 223065487 in words is "two hundred twenty-three million, sixty-five thousand, four hundred eighty-seven".