16226223 has 16 divisors (see below), whose sum is σ = 23372160. Its totient is φ = 9954144.

The previous prime is 16226207. The next prime is 16226263. The reversal of 16226223 is 32262261.

It is not a de Polignac number, because 16226223 - 2⁴ = 16226207 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 16226193 and 16226202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16226263) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21588 + ... + 22326.

It is an arithmetic number, because the mean of its divisors is an integer number (1460760).

Almost surely, 2^16226223 is an apocalyptic number.

16226223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

16226223 is a deficient number, since it is larger than the sum of its proper divisors (7145937).

16226223 is a wasteful number, since it uses less digits than its factorization.

16226223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318.

The product of its digits is 1728, while the sum is 24.

The square root of 16226223 is about 4028.1786206672. The cubic root of 16226223 is about 253.1662527492.

Adding to 16226223 its reverse (32262261), we get a palindrome (48488484).

The spelling of 16226223 in words is "sixteen million, two hundred twenty-six thousand, two hundred twenty-three".