16229887 has 2 divisors, whose sum is σ = 16229888. Its totient is φ = 16229886.

The previous prime is 16229869. The next prime is 16229893. The reversal of 16229887 is 78892261.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16229887 - 2¹¹ = 16227839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16229687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8114943 + 8114944.

It is an arithmetic number, because the mean of its divisors is an integer number (8114944).

Almost surely, 2^16229887 is an apocalyptic number.

16229887 is a deficient number, since it is larger than the sum of its proper divisors (1).

16229887 is an equidigital number, since it uses as much as digits as its factorization.

16229887 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 43.

The square root of 16229887 is about 4028.6333911142. The cubic root of 16229887 is about 253.1853069131.

The spelling of 16229887 in words is "sixteen million, two hundred twenty-nine thousand, eight hundred eighty-seven".