16223230 has 32 divisors (see below), whose sum is σ = 30689280. Its totient is φ = 6166560.

The previous prime is 16223213. The next prime is 16223239. The reversal of 16223230 is 3232261.

It is a junction number, because it is equal to n+sod(n) for n = 16223198 and 16223207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16223239) 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, 17847 + ... + 18733.

It is an arithmetic number, because the mean of its divisors is an integer number (959040).

Almost surely, 2^16223230 is an apocalyptic number.

16223230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16223230 is a deficient number, since it is larger than the sum of its proper divisors (14466050).

16223230 is a wasteful number, since it uses less digits than its factorization.

16223230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 984.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 16223230 is about 4027.8070956787. The cubic root of 16223230 is about 253.1506859064.

Adding to 16223230 its reverse (3232261), we get a palindrome (19455491).

The spelling of 16223230 in words is "sixteen million, two hundred twenty-three thousand, two hundred thirty".