16223612 has 12 divisors (see below), whose sum is σ = 29158920. Its totient is φ = 7892496.

The previous prime is 16223611. The next prime is 16223617. The reversal of 16223612 is 21632261.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16223611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54662 + ... + 54957.

It is an arithmetic number, because the mean of its divisors is an integer number (2429910).

Almost surely, 2^16223612 is an apocalyptic number.

It is an amenable number.

16223612 is a deficient number, since it is larger than the sum of its proper divisors (12935308).

16223612 is a wasteful number, since it uses less digits than its factorization.

16223612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109660 (or 109658 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 16223612 is about 4027.8545157441. The cubic root of 16223612 is about 253.1526728268.

Adding to 16223612 its reverse (21632261), we get a palindrome (37855873).

The spelling of 16223612 in words is "sixteen million, two hundred twenty-three thousand, six hundred twelve".