305707222230 has 32 divisors (see below), whose sum is σ = 733711980384. Its totient is φ = 81520298496.

The previous prime is 305707222229. The next prime is 305707222231. The reversal of 305707222230 is 32222707503.

It is an interprime number because it is at equal distance from previous prime (305707222229) and next prime (305707222231).

It is a junction number, because it is equal to n+sod(n) for n = 305707222191 and 305707222200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305707222231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2620014 + ... + 2734206.

It is an arithmetic number, because the mean of its divisors is an integer number (22928499387).

Almost surely, 2^305707222230 is an apocalyptic number.

305707222230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

305707222230 is an abundant number, since it is smaller than the sum of its proper divisors (428004758154).

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

305707222230 is a wasteful number, since it uses less digits than its factorization.

305707222230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203440.

The product of its (nonzero) digits is 35280, while the sum is 33.

Adding to 305707222230 its reverse (32222707503), we get a palindrome (337929929733).

The spelling of 305707222230 in words is "three hundred five billion, seven hundred seven million, two hundred twenty-two thousand, two hundred thirty".