308007225 has 48 divisors (see below), whose sum is σ = 568912000. Its totient is φ = 163373760.

The previous prime is 308007209. The next prime is 308007307. The reversal of 308007225 is 522700803.

It is not a de Polignac number, because 308007225 - 2⁴ = 308007209 is a prime.

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

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 133179 + ... + 135471.

Almost surely, 2^308007225 is an apocalyptic number.

It is an amenable number.

308007225 is a deficient number, since it is larger than the sum of its proper divisors (260904775).

308007225 is a wasteful number, since it uses less digits than its factorization.

308007225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2511 (or 2500 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 308007225 is about 17550.1346148683. The cubic root of 308007225 is about 675.3366222222.

It can be divided in two parts, 30800 and 7225, that added together give a square (38025 = 195²).

The spelling of 308007225 in words is "three hundred eight million, seven thousand, two hundred twenty-five".