302303421 has 48 divisors (see below), whose sum is σ = 540094464. Its totient is φ = 165212784.

The previous prime is 302303399. The next prime is 302303429. The reversal of 302303421 is 124303203.

It is not a de Polignac number, because 302303421 - 2⁹ = 302302909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 302303394 and 302303403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302303429) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 35260 + ... + 42986.

It is an arithmetic number, because the mean of its divisors is an integer number (11251968).

Almost surely, 2^302303421 is an apocalyptic number.

It is an amenable number.

302303421 is a deficient number, since it is larger than the sum of its proper divisors (237791043).

302303421 is an equidigital number, since it uses as much as digits as its factorization.

302303421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7772 (or 7760 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 302303421 is about 17386.8749636040. The cubic root of 302303421 is about 671.1419013842.

Adding to 302303421 its reverse (124303203), we get a palindrome (426606624).

The spelling of 302303421 in words is "three hundred two million, three hundred three thousand, four hundred twenty-one".