16224636 has 48 divisors (see below), whose sum is σ = 38949120. Its totient is φ = 5255040.

The previous prime is 16224629. The next prime is 16224641. The reversal of 16224636 is 63642261.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116655 + ... + 116793.

It is an arithmetic number, because the mean of its divisors is an integer number (811440).

Almost surely, 2^16224636 is an apocalyptic number.

It is an amenable number.

16224636 is an abundant number, since it is smaller than the sum of its proper divisors (22724484).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16224636 is a wasteful number, since it uses less digits than its factorization.

16224636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354 (or 352 counting only the distinct ones).

The product of its digits is 10368, while the sum is 30.

The square root of 16224636 is about 4027.9816285579. The cubic root of 16224636 is about 253.1579988681.

Adding to 16224636 its reverse (63642261), we get a palindrome (79866897).

The spelling of 16224636 in words is "sixteen million, two hundred twenty-four thousand, six hundred thirty-six".