305221042334 has 16 divisors (see below), whose sum is σ = 518999344080. Its totient is φ = 133456973760.

The previous prime is 305221042333. The next prime is 305221042361. The reversal of 305221042334 is 433240122503.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 305221042297 and 305221042306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305221042333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 308927687 + ... + 308928674.

It is an arithmetic number, because the mean of its divisors is an integer number (32437459005).

Almost surely, 2^305221042334 is an apocalyptic number.

305221042334 is a deficient number, since it is larger than the sum of its proper divisors (213778301746).

305221042334 is a wasteful number, since it uses less digits than its factorization.

305221042334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617856395.

The product of its (nonzero) digits is 17280, while the sum is 29.

Adding to 305221042334 its reverse (433240122503), we get a palindrome (738461164837).

The spelling of 305221042334 in words is "three hundred five billion, two hundred twenty-one million, forty-two thousand, three hundred thirty-four".