16742223 has 12 divisors (see below), whose sum is σ = 24640200. Its totient is φ = 10950576.

The previous prime is 16742203. The next prime is 16742237. The reversal of 16742223 is 32224761.

It is not a de Polignac number, because 16742223 - 2¹⁰ = 16741199 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16742203) 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 in 11 ways as a sum of consecutive naturals, for example, 17073 + ... + 18026.

It is an arithmetic number, because the mean of its divisors is an integer number (2053350).

Almost surely, 2^16742223 is an apocalyptic number.

16742223 is a deficient number, since it is larger than the sum of its proper divisors (7897977).

16742223 is a wasteful number, since it uses less digits than its factorization.

16742223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35158 (or 35155 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 16742223 is about 4091.7261638580. The cubic root of 16742223 is about 255.8218925117.

Adding to 16742223 its reverse (32224761), we get a palindrome (48966984).

The spelling of 16742223 in words is "sixteen million, seven hundred forty-two thousand, two hundred twenty-three".