302224121 has 4 divisors (see below), whose sum is σ = 302265744. Its totient is φ = 302182500.

The previous prime is 302224099. The next prime is 302224157. The reversal of 302224121 is 121422203.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-302224121 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 302224121.

It is not an unprimeable number, because it can be changed into a prime (302229121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6755 + ... + 25496.

It is an arithmetic number, because the mean of its divisors is an integer number (75566436).

Almost surely, 2^302224121 is an apocalyptic number.

It is an amenable number.

302224121 is a deficient number, since it is larger than the sum of its proper divisors (41623).

302224121 is an equidigital number, since it uses as much as digits as its factorization.

302224121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41622.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 302224121 is about 17384.5943582242. The cubic root of 302224121 is about 671.0832117770.

Adding to 302224121 its reverse (121422203), we get a palindrome (423646324).

It can be divided in two parts, 30222 and 4121, that added together give a palindrome (34343).

The spelling of 302224121 in words is "three hundred two million, two hundred twenty-four thousand, one hundred twenty-one".