3099225 has 36 divisors (see below), whose sum is σ = 5417808. Its totient is φ = 1562400.

The previous prime is 3099209. The next prime is 3099233. The reversal of 3099225 is 5229903.

It is not a de Polignac number, because 3099225 - 2⁴ = 3099209 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 3099192 and 3099201.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 72054 + ... + 72096.

Almost surely, 2^3099225 is an apocalyptic number.

It is an amenable number.

3099225 is a deficient number, since it is larger than the sum of its proper divisors (2318583).

3099225 is a wasteful number, since it uses less digits than its factorization.

3099225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 82 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 3099225 is about 1760.4615871981. The cubic root of 3099225 is about 145.7978217388.

The spelling of 3099225 in words is "three million, ninety-nine thousand, two hundred twenty-five".