366220 has 12 divisors (see below), whose sum is σ = 769104. Its totient is φ = 146480.

The previous prime is 366217. The next prime is 366221. The reversal of 366220 is 22663.

It is not an unprimeable number, because it can be changed into a prime (366221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9136 + ... + 9175.

It is an arithmetic number, because the mean of its divisors is an integer number (64092).

2³⁶⁶²²⁰ is an apocalyptic number.

It is an amenable number.

366220 is an abundant number, since it is smaller than the sum of its proper divisors (402884).

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

366220 is a wasteful number, since it uses less digits than its factorization.

366220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18320 (or 18318 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 366220 is about 605.1611355664. The cubic root of 366220 is about 71.5452303185.

Adding to 366220 its reverse (22663), we get a palindrome (388883).

The spelling of 366220 in words is "three hundred sixty-six thousand, two hundred twenty".