306434022 has 16 divisors (see below), whose sum is σ = 624432240. Its totient is φ = 100217312.

The previous prime is 306434017. The next prime is 306434053. The reversal of 306434022 is 220434603.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 306433983 and 306434001.

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, 481497 + ... + 482132.

It is an arithmetic number, because the mean of its divisors is an integer number (39027015).

Almost surely, 2^306434022 is an apocalyptic number.

306434022 is an abundant number, since it is smaller than the sum of its proper divisors (317998218).

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

306434022 is a wasteful number, since it uses less digits than its factorization.

306434022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963687.

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 306434022 is about 17505.2569818326. The cubic root of 306434022 is about 674.1848574415.

Adding to 306434022 its reverse (220434603), we get a palindrome (526868625).

The spelling of 306434022 in words is "three hundred six million, four hundred thirty-four thousand, twenty-two".