16487227 has 2 divisors, whose sum is σ = 16487228. Its totient is φ = 16487226.

The previous prime is 16487213. The next prime is 16487239. The reversal of 16487227 is 72278461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16487227 - 2⁷ = 16487099 is a prime.

It is not a weakly prime, because it can be changed into another prime (16487327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8243613 + 8243614.

It is an arithmetic number, because the mean of its divisors is an integer number (8243614).

Almost surely, 2^16487227 is an apocalyptic number.

16487227 is a deficient number, since it is larger than the sum of its proper divisors (1).

16487227 is an equidigital number, since it uses as much as digits as its factorization.

16487227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37632, while the sum is 37.

The square root of 16487227 is about 4060.4466503083. The cubic root of 16487227 is about 254.5164590387.

It can be divided in two parts, 164872 and 27, that multiplied together give a palindrome (4451544).

The spelling of 16487227 in words is "sixteen million, four hundred eighty-seven thousand, two hundred twenty-seven".