302421441 has 32 divisors (see below), whose sum is σ = 466905088. Its totient is φ = 170553600.

The previous prime is 302421439. The next prime is 302421467. The reversal of 302421441 is 144124203.

It is not a de Polignac number, because 302421441 - 2¹ = 302421439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (302421421) 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 31 ways as a sum of consecutive naturals, for example, 897225 + ... + 897561.

It is an arithmetic number, because the mean of its divisors is an integer number (14590784).

Almost surely, 2^302421441 is an apocalyptic number.

It is an amenable number.

302421441 is a deficient number, since it is larger than the sum of its proper divisors (164483647).

302421441 is a wasteful number, since it uses less digits than its factorization.

302421441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 781.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 302421441 is about 17390.2685718191. The cubic root of 302421441 is about 671.2292285046.

Adding to 302421441 its reverse (144124203), we get a palindrome (446545644).

The spelling of 302421441 in words is "three hundred two million, four hundred twenty-one thousand, four hundred forty-one".