302227394 has 24 divisors (see below), whose sum is σ = 558379980. Its totient is φ = 121906176.

The previous prime is 302227391. The next prime is 302227397. The reversal of 302227394 is 493722203.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (302227391) and next prime (302227397).

It can be written as a sum of positive squares in 2 ways, for example, as 239104369 + 63123025 = 15463^2 + 7945^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 302227394.

It is not an unprimeable number, because it can be changed into a prime (302227391) 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 11 ways as a sum of consecutive naturals, for example, 89039 + ... + 92370.

Almost surely, 2^302227394 is an apocalyptic number.

302227394 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

302227394 is a deficient number, since it is larger than the sum of its proper divisors (256152586).

302227394 is a wasteful number, since it uses less digits than its factorization.

302227394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181442 (or 181435 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 302227394 is about 17384.6884930389. The cubic root of 302227394 is about 671.0856343140.

Adding to 302227394 its reverse (493722203), we get a palindrome (795949597).

The spelling of 302227394 in words is "three hundred two million, two hundred twenty-seven thousand, three hundred ninety-four".