306022 has 8 divisors (see below), whose sum is σ = 467856. Its totient is φ = 150072.

The previous prime is 306011. The next prime is 306023. The reversal of 306022 is 220603.

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 = 305993 and 306011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306023) by changing a digit.

306022 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1338 + ... + 1549.

It is an arithmetic number, because the mean of its divisors is an integer number (58482).

2³⁰⁶⁰²² is an apocalyptic number.

306022 is a deficient number, since it is larger than the sum of its proper divisors (161834).

306022 is a wasteful number, since it uses less digits than its factorization.

306022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2942.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 306022 is about 553.1925523721. The cubic root of 306022 is about 67.3882558997.

Adding to 306022 its reverse (220603), we get a palindrome (526625).

The spelling of 306022 in words is "three hundred six thousand, twenty-two".