16224116 has 12 divisors (see below), whose sum is σ = 28550340. Its totient is φ = 8066880.

The previous prime is 16224073. The next prime is 16224121. The reversal of 16224116 is 61142261.

It can be written as a sum of positive squares in 2 ways, for example, as 3407716 + 12816400 = 1846^2 + 3580^2 .

It is a junction number, because it is equal to n+sod(n) for n = 16224091 and 16224100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10481 + ... + 11928.

It is an arithmetic number, because the mean of its divisors is an integer number (2379195).

Almost surely, 2^16224116 is an apocalyptic number.

It is an amenable number.

16224116 is a deficient number, since it is larger than the sum of its proper divisors (12326224).

16224116 is a wasteful number, since it uses less digits than its factorization.

16224116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22594 (or 22592 counting only the distinct ones).

The product of its digits is 576, while the sum is 23.

The square root of 16224116 is about 4027.9170795834. The cubic root of 16224116 is about 253.1552942658.

Adding to 16224116 its reverse (61142261), we get a palindrome (77366377).

The spelling of 16224116 in words is "sixteen million, two hundred twenty-four thousand, one hundred sixteen".