16630223 has 2 divisors, whose sum is σ = 16630224. Its totient is φ = 16630222.

The previous prime is 16630193. The next prime is 16630241. The reversal of 16630223 is 32203661.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16630223 - 2⁸ = 16629967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16630123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8315111 + 8315112.

It is an arithmetic number, because the mean of its divisors is an integer number (8315112).

Almost surely, 2^16630223 is an apocalyptic number.

16630223 is a deficient number, since it is larger than the sum of its proper divisors (1).

16630223 is an equidigital number, since it uses as much as digits as its factorization.

16630223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 16630223 is about 4078.0170426324. The cubic root of 16630223 is about 255.2501607604.

Adding to 16630223 its reverse (32203661), we get a palindrome (48833884).

The spelling of 16630223 in words is "sixteen million, six hundred thirty thousand, two hundred twenty-three".