32224164 has 48 divisors (see below), whose sum is σ = 87696000. Its totient is φ = 9205728.

The previous prime is 32224147. The next prime is 32224201. The reversal of 32224164 is 46142223.

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

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, 202 + ... + 8030.

It is an arithmetic number, because the mean of its divisors is an integer number (1827000).

Almost surely, 2^32224164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32224164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43848000).

32224164 is an abundant number, since it is smaller than the sum of its proper divisors (55471836).

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

32224164 is a wasteful number, since it uses less digits than its factorization.

32224164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7857 (or 7841 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 32224164 is about 5676.6331570747. The cubic root of 32224164 is about 318.2198155834.

Adding to 32224164 its reverse (46142223), we get a palindrome (78366387).

The spelling of 32224164 in words is "thirty-two million, two hundred twenty-four thousand, one hundred sixty-four".