302003442 has 48 divisors (see below), whose sum is σ = 741773760. Its totient is φ = 88032096.

The previous prime is 302003441. The next prime is 302003459. The reversal of 302003442 is 244300203.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (302003441) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29518 + ... + 38409.

It is an arithmetic number, because the mean of its divisors is an integer number (15453620).

Almost surely, 2^302003442 is an apocalyptic number.

302003442 is an abundant number, since it is smaller than the sum of its proper divisors (439770318).

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

302003442 is a wasteful number, since it uses less digits than its factorization.

302003442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67967 (or 67964 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 302003442 is about 17378.2462291222. The cubic root of 302003442 is about 670.9198340917.

Adding to 302003442 its reverse (244300203), we get a palindrome (546303645).

The spelling of 302003442 in words is "three hundred two million, three thousand, four hundred forty-two".