368183221 has 4 divisors (see below), whose sum is σ = 420780832. Its totient is φ = 315585612.

The previous prime is 368183203. The next prime is 368183227. The reversal of 368183221 is 122381863.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 122381863 = 2297 ⋅53279.

It is a cyclic number.

It is not a de Polignac number, because 368183221 - 2⁹ = 368182709 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (368183227) 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, 26298795 + ... + 26298808.

It is an arithmetic number, because the mean of its divisors is an integer number (105195208).

Almost surely, 2^368183221 is an apocalyptic number.

It is an amenable number.

368183221 is a deficient number, since it is larger than the sum of its proper divisors (52597611).

368183221 is an equidigital number, since it uses as much as digits as its factorization.

368183221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52597610.

The product of its digits is 13824, while the sum is 34.

The square root of 368183221 is about 19188.1010264174. The cubic root of 368183221 is about 716.7284837489.

The spelling of 368183221 in words is "three hundred sixty-eight million, one hundred eighty-three thousand, two hundred twenty-one".