16667223 has 8 divisors (see below), whose sum is σ = 22244208. Its totient is φ = 11100864.

The previous prime is 16667173. The next prime is 16667263. The reversal of 16667223 is 32276661.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 16667223 - 2⁹ = 16666711 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16667263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2361 + ... + 6237.

It is an arithmetic number, because the mean of its divisors is an integer number (2780526).

Almost surely, 2^16667223 is an apocalyptic number.

16667223 is a deficient number, since it is larger than the sum of its proper divisors (5576985).

16667223 is a wasteful number, since it uses less digits than its factorization.

16667223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5313.

The product of its digits is 18144, while the sum is 33.

The square root of 16667223 is about 4082.5510407097. The cubic root of 16667223 is about 255.4393195894.

The spelling of 16667223 in words is "sixteen million, six hundred sixty-seven thousand, two hundred twenty-three".