4457225 has 6 divisors (see below), whose sum is σ = 5526990. Its totient is φ = 3565760.

The previous prime is 4457221. The next prime is 4457249. The reversal of 4457225 is 5227544.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 64009 + 4393216 = 253^2 + 2096^2 .

It is not a de Polignac number, because 4457225 - 2² = 4457221 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 4⁹ + 4¹¹ + 5 + 7 + 2⁷ + 2⁹ + 5³ .

It is not an unprimeable number, because it can be changed into a prime (4457221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 89120 + ... + 89169.

It is an arithmetic number, because the mean of its divisors is an integer number (921165).

Almost surely, 2^4457225 is an apocalyptic number.

It is an amenable number.

4457225 is a deficient number, since it is larger than the sum of its proper divisors (1069765).

4457225 is a wasteful number, since it uses less digits than its factorization.

4457225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178299 (or 178294 counting only the distinct ones).

The product of its digits is 11200, while the sum is 29.

The square root of 4457225 is about 2111.2141056747. The cubic root of 4457225 is about 164.5715852677.

The spelling of 4457225 in words is "four million, four hundred fifty-seven thousand, two hundred twenty-five".