305130022 has 8 divisors (see below), whose sum is σ = 461894400. Its totient is φ = 151165224.

The previous prime is 305130019. The next prime is 305130053. The reversal of 305130022 is 220031503.

305130022 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 = 305129978 and 305130005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 699622 + ... + 700057.

It is an arithmetic number, because the mean of its divisors is an integer number (57736800).

Almost surely, 2^305130022 is an apocalyptic number.

305130022 is a deficient number, since it is larger than the sum of its proper divisors (156764378).

305130022 is a wasteful number, since it uses less digits than its factorization.

305130022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1399790.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 305130022 is about 17467.9713189597. The cubic root of 305130022 is about 673.2271884985.

Adding to 305130022 its reverse (220031503), we get a palindrome (525161525).

The spelling of 305130022 in words is "three hundred five million, one hundred thirty thousand, twenty-two".