304420442 has 4 divisors (see below), whose sum is σ = 456630666. Its totient is φ = 152210220.

The previous prime is 304420429. The next prime is 304420447. The reversal of 304420442 is 244024403.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 296907361 + 7513081 = 17231^2 + 2741^2 .

It is not an unprimeable number, because it can be changed into a prime (304420447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76105109 + ... + 76105112.

Almost surely, 2^304420442 is an apocalyptic number.

304420442 is a deficient number, since it is larger than the sum of its proper divisors (152210224).

304420442 is a wasteful number, since it uses less digits than its factorization.

304420442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152210223.

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 304420442 is about 17447.6486094832. The cubic root of 304420442 is about 672.7049200699.

Adding to 304420442 its reverse (244024403), we get a palindrome (548444845).

The spelling of 304420442 in words is "three hundred four million, four hundred twenty thousand, four hundred forty-two".