32225166 has 48 divisors (see below), whose sum is σ = 75361104. Its totient is φ = 9914112.

The previous prime is 32225153. The next prime is 32225173. The reversal of 32225166 is 66152223.

It is a super-2 number, since 2×32225166² = 2076922647455112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15225 + ... + 17211.

It is an arithmetic number, because the mean of its divisors is an integer number (1570023).

Almost surely, 2^32225166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 32225166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37680552).

32225166 is an abundant number, since it is smaller than the sum of its proper divisors (43135938).

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

32225166 is a wasteful number, since it uses less digits than its factorization.

32225166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065 (or 2062 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 32225166 is about 5676.7214129284. The cubic root of 32225166 is about 318.2231138634.

Adding to 32225166 its reverse (66152223), we get a palindrome (98377389).

The spelling of 32225166 in words is "thirty-two million, two hundred twenty-five thousand, one hundred sixty-six".