304225642 has 32 divisors (see below), whose sum is σ = 563977728. Its totient is φ = 120097536.

The previous prime is 304225639. The next prime is 304225643. The reversal of 304225642 is 246522403.

It is a self number, because there is not a number n which added to its sum of digits gives 304225642.

It is not an unprimeable number, because it can be changed into a prime (304225643) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2413 + ... + 24784.

It is an arithmetic number, because the mean of its divisors is an integer number (17624304).

Almost surely, 2^304225642 is an apocalyptic number.

304225642 is a deficient number, since it is larger than the sum of its proper divisors (259752086).

304225642 is a wasteful number, since it uses less digits than its factorization.

304225642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27270.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 304225642 is about 17442.0653020220. The cubic root of 304225642 is about 672.5614004920.

The spelling of 304225642 in words is "three hundred four million, two hundred twenty-five thousand, six hundred forty-two".