366701221 has 8 divisors (see below), whose sum is σ = 372585024. Its totient is φ = 360852480.

The previous prime is 366701219. The next prime is 366701227. The reversal of 366701221 is 122107663.

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

It is a cyclic number.

It is not a de Polignac number, because 366701221 - 2¹ = 366701219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 366701221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (366701227) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 12736 + ... + 29926.

It is an arithmetic number, because the mean of its divisors is an integer number (46573128).

Almost surely, 2^366701221 is an apocalyptic number.

It is an amenable number.

366701221 is a deficient number, since it is larger than the sum of its proper divisors (5883803).

366701221 is a wasteful number, since it uses less digits than its factorization.

366701221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17531.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 366701221 is about 19149.4444044729. Note that the first 4 decimals coincide. The cubic root of 366701221 is about 715.7655392917.

Adding to 366701221 its reverse (122107663), we get a palindrome (488808884).

The spelling of 366701221 in words is "three hundred sixty-six million, seven hundred one thousand, two hundred twenty-one".