305225630 has 16 divisors (see below), whose sum is σ = 552585024. Its totient is φ = 121383840.

The previous prime is 305225621. The next prime is 305225647. The reversal of 305225630 is 36522503.

305225630 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 305225630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86486 + ... + 89945.

It is an arithmetic number, because the mean of its divisors is an integer number (34536564).

Almost surely, 2^305225630 is an apocalyptic number.

305225630 is a deficient number, since it is larger than the sum of its proper divisors (247359394).

305225630 is a wasteful number, since it uses less digits than its factorization.

305225630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176611.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 305225630 is about 17470.7077704368. The cubic root of 305225630 is about 673.2974964316.

It can be divided in two parts, 3052 and 25630, that added together give a palindrome (28682).

The spelling of 305225630 in words is "three hundred five million, two hundred twenty-five thousand, six hundred thirty".