307225116 has 48 divisors (see below), whose sum is σ = 868922880. Its totient is φ = 93098160.

The previous prime is 307225109. The next prime is 307225147. The reversal of 307225116 is 611522703.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 307225116.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128116 + ... + 130491.

It is an arithmetic number, because the mean of its divisors is an integer number (18102560).

Almost surely, 2^307225116 is an apocalyptic number.

307225116 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

307225116 is an abundant number, since it is smaller than the sum of its proper divisors (561697764).

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

307225116 is a wasteful number, since it uses less digits than its factorization.

307225116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258631 (or 258623 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 307225116 is about 17527.8383150918. The cubic root of 307225116 is about 674.7645203295.

Adding to 307225116 its reverse (611522703), we get a palindrome (918747819).

The spelling of 307225116 in words is "three hundred seven million, two hundred twenty-five thousand, one hundred sixteen".