32220165 has 8 divisors (see below), whose sum is σ = 51552288. Its totient is φ = 17184080.

The previous prime is 32220163. The next prime is 32220169. The reversal of 32220165 is 56102223.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 32220165 - 2¹ = 32220163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32220163) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1073991 + ... + 1074020.

It is an arithmetic number, because the mean of its divisors is an integer number (6444036).

Almost surely, 2^32220165 is an apocalyptic number.

It is an amenable number.

32220165 is a deficient number, since it is larger than the sum of its proper divisors (19332123).

32220165 is a wasteful number, since it uses less digits than its factorization.

32220165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148019.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 32220165 is about 5676.2809127104. The cubic root of 32220165 is about 318.2066514075.

Adding to 32220165 its reverse (56102223), we get a palindrome (88322388).

It can be divided in two parts, 32220 and 165, that added together give a triangular number (32385 = T₂₅₄).

The spelling of 32220165 in words is "thirty-two million, two hundred twenty thousand, one hundred sixty-five".