305225122 has 8 divisors (see below), whose sum is σ = 459456336. Its totient is φ = 152073012.

The previous prime is 305225119. The next prime is 305225189. The reversal of 305225122 is 221522503.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 305225093 and 305225102.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 269068 + ... + 270199.

It is an arithmetic number, because the mean of its divisors is an integer number (57432042).

Almost surely, 2^305225122 is an apocalyptic number.

305225122 is a deficient number, since it is larger than the sum of its proper divisors (154231214).

305225122 is a wasteful number, since it uses less digits than its factorization.

305225122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539552.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 305225122 is about 17470.6932318097. The cubic root of 305225122 is about 673.2971228989.

Adding to 305225122 its reverse (221522503), we get a palindrome (526747625).

The spelling of 305225122 in words is "three hundred five million, two hundred twenty-five thousand, one hundred twenty-two".