306460222 has 4 divisors (see below), whose sum is σ = 459690336. Its totient is φ = 153230110.

The previous prime is 306460213. The next prime is 306460229. The reversal of 306460222 is 222064603.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 222064603 = 2203 ⋅100801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306460229) 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 as a sum of consecutive naturals, namely, 76615054 + ... + 76615057.

It is an arithmetic number, because the mean of its divisors is an integer number (114922584).

Almost surely, 2^306460222 is an apocalyptic number.

306460222 is a deficient number, since it is larger than the sum of its proper divisors (153230114).

306460222 is a wasteful number, since it uses less digits than its factorization.

306460222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153230113.

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 306460222 is about 17506.0053124635. The cubic root of 306460222 is about 674.2040710826.

The spelling of 306460222 in words is "three hundred six million, four hundred sixty thousand, two hundred twenty-two".