306227492 has 12 divisors (see below), whose sum is σ = 536032140. Its totient is φ = 153075456.

The previous prime is 306227491. The next prime is 306227531. The reversal of 306227492 is 294722603.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 302203456 + 4024036 = 17384^2 + 2006^2 .

It is a super-2 number, since 2×306227492² = 187550553713220128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (306227491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16028 + ... + 29484.

It is an arithmetic number, because the mean of its divisors is an integer number (44669345).

Almost surely, 2^306227492 is an apocalyptic number.

It is an amenable number.

306227492 is a deficient number, since it is larger than the sum of its proper divisors (229804648).

306227492 is a wasteful number, since it uses less digits than its factorization.

306227492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19150 (or 19148 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

The square root of 306227492 is about 17499.3569024693. The cubic root of 306227492 is about 674.0333613262.

The spelling of 306227492 in words is "three hundred six million, two hundred twenty-seven thousand, four hundred ninety-two".