306222045 has 8 divisors (see below), whose sum is σ = 489955296. Its totient is φ = 163318416.

The previous prime is 306222043. The next prime is 306222047. The reversal of 306222045 is 540222603.

It is an interprime number because it is at equal distance from previous prime (306222043) and next prime (306222047).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 306222045 - 2¹ = 306222043 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306222043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10207387 + ... + 10207416.

It is an arithmetic number, because the mean of its divisors is an integer number (61244412).

Almost surely, 2^306222045 is an apocalyptic number.

It is an amenable number.

306222045 is a deficient number, since it is larger than the sum of its proper divisors (183733251).

306222045 is a wasteful number, since it uses less digits than its factorization.

306222045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20414811.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 306222045 is about 17499.2012674865. The cubic root of 306222045 is about 674.0293648622.

Adding to 306222045 its reverse (540222603), we get a palindrome (846444648).

The spelling of 306222045 in words is "three hundred six million, two hundred twenty-two thousand, forty-five".