302230421 has 4 divisors (see below), whose sum is σ = 304040352. Its totient is φ = 300420492.

The previous prime is 302230399. The next prime is 302230429. The reversal of 302230421 is 124032203.

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: 124032203 = 557 ⋅222679.

It is a cyclic number.

It is not a de Polignac number, because 302230421 - 2¹⁰ = 302229397 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 302230421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302230429) 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, 904715 + ... + 905048.

It is an arithmetic number, because the mean of its divisors is an integer number (76010088).

Almost surely, 2^302230421 is an apocalyptic number.

It is an amenable number.

302230421 is a deficient number, since it is larger than the sum of its proper divisors (1809931).

302230421 is a wasteful number, since it uses less digits than its factorization.

302230421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1809930.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 302230421 is about 17384.7755521893. The cubic root of 302230421 is about 671.0878747567.

Adding to 302230421 its reverse (124032203), we get a palindrome (426262624).

The spelling of 302230421 in words is "three hundred two million, two hundred thirty thousand, four hundred twenty-one".