302244121 has 4 divisors (see below), whose sum is σ = 303110500. Its totient is φ = 301377744.

The previous prime is 302244113. The next prime is 302244133. The reversal of 302244121 is 121442203.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 260499600 + 41744521 = 16140^2 + 6461^2 .

It is a cyclic number.

It is not a de Polignac number, because 302244121 - 2³ = 302244113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (302244101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 432666 + ... + 433363.

It is an arithmetic number, because the mean of its divisors is an integer number (75777625).

Almost surely, 2^302244121 is an apocalyptic number.

It is an amenable number.

302244121 is a deficient number, since it is larger than the sum of its proper divisors (866379).

302244121 is an equidigital number, since it uses as much as digits as its factorization.

302244121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 866378.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 302244121 is about 17385.1695706427. The cubic root of 302244121 is about 671.0980146636.

Adding to 302244121 its reverse (121442203), we get a palindrome (423686324).

The spelling of 302244121 in words is "three hundred two million, two hundred forty-four thousand, one hundred twenty-one".