302242340 has 12 divisors (see below), whose sum is σ = 634708956. Its totient is φ = 120896928.

The previous prime is 302242301. The next prime is 302242349. The reversal of 302242340 is 43242203.

It can be written as a sum of positive squares in 2 ways, for example, as 33085504 + 269156836 = 5752^2 + 16406^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 15112117 = 302242340 / (3 + 0 + 2 + 2 + 4 + 2 + 3 + 4 + 0).

It is not an unprimeable number, because it can be changed into a prime (302242349) 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, 7556039 + ... + 7556078.

It is an arithmetic number, because the mean of its divisors is an integer number (52892413).

Almost surely, 2^302242340 is an apocalyptic number.

It is an amenable number.

302242340 is an abundant number, since it is smaller than the sum of its proper divisors (332466616).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

302242340 is a wasteful number, since it uses less digits than its factorization.

302242340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15112126 (or 15112124 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 302242340 is about 17385.1183487487. The cubic root of 302242340 is about 671.0966964930.

Adding to 302242340 its reverse (43242203), we get a palindrome (345484543).

The spelling of 302242340 in words is "three hundred two million, two hundred forty-two thousand, three hundred forty".