3078225 has 18 divisors (see below), whose sum is σ = 5513846. Its totient is φ = 1641600.

The previous prime is 3078223. The next prime is 3078227. The reversal of 3078225 is 5228703.

It is an interprime number because it is at equal distance from previous prime (3078223) and next prime (3078227).

It can be written as a sum of positive squares in 3 ways, for example, as 746496 + 2331729 = 864^2 + 1527^2 .

It is not a de Polignac number, because 3078225 - 2¹ = 3078223 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

3078225 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3078223) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6616 + ... + 7065.

Almost surely, 2^3078225 is an apocalyptic number.

It is an amenable number.

3078225 is a deficient number, since it is larger than the sum of its proper divisors (2435621).

3078225 is a wasteful number, since it uses less digits than its factorization.

3078225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13697 (or 13689 counting only the distinct ones).

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

The square root of 3078225 is about 1754.4871045408. The cubic root of 3078225 is about 145.4677719388.

The spelling of 3078225 in words is "three million, seventy-eight thousand, two hundred twenty-five".