305225430 has 64 divisors (see below), whose sum is σ = 744629760. Its totient is φ = 80062976.

The previous prime is 305225407. The next prime is 305225461. The reversal of 305225430 is 34522503.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 305225430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 606559 + ... + 607061.

It is an arithmetic number, because the mean of its divisors is an integer number (11634840).

Almost surely, 2^305225430 is an apocalyptic number.

305225430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

305225430 is an abundant number, since it is smaller than the sum of its proper divisors (439404330).

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

305225430 is a wasteful number, since it uses less digits than its factorization.

305225430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 805.

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 305225430 is about 17470.7020465693. The cubic root of 305225430 is about 673.2973493715.

Adding to 305225430 its reverse (34522503), we get a palindrome (339747933).

It can be divided in two parts, 3052 and 25430, that added together give a palindrome (28482).

The spelling of 305225430 in words is "three hundred five million, two hundred twenty-five thousand, four hundred thirty".