4148225 has 12 divisors (see below), whose sum is σ = 5216556. Its totient is φ = 3271680.

The previous prime is 4148219. The next prime is 4148227. The reversal of 4148225 is 5228414.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 55696 + 4092529 = 236^2 + 2023^2 .

It is not a de Polignac number, because 4148225 - 2⁶ = 4148161 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4148194 and 4148203.

It is not an unprimeable number, because it can be changed into a prime (4148227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 689 + ... + 2961.

It is an arithmetic number, because the mean of its divisors is an integer number (434713).

Almost surely, 2^4148225 is an apocalyptic number.

It is an amenable number.

4148225 is a deficient number, since it is larger than the sum of its proper divisors (1068331).

4148225 is a wasteful number, since it uses less digits than its factorization.

4148225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2356 (or 2351 counting only the distinct ones).

The product of its digits is 2560, while the sum is 26.

The square root of 4148225 is about 2036.7191755370. The cubic root of 4148225 is about 160.6771432098.

It can be divided in two parts, 4 and 148225, that multiplied together give a square (592900 = 770²).

The spelling of 4148225 in words is "four million, one hundred forty-eight thousand, two hundred twenty-five".