4057225 has 6 divisors (see below), whose sum is σ = 5030990. Its totient is φ = 3245760.

The previous prime is 4057217. The next prime is 4057231. The reversal of 4057225 is 5227504.

It can be written as a sum of positive squares in 3 ways, for example, as 41209 + 4016016 = 203^2 + 2004^2 .

It is not a de Polignac number, because 4057225 - 2³ = 4057217 is a prime.

It is a super-2 number, since 2×4057225² = 32922149401250, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 162289 = 4057225 / (4 + 0 + 5 + 7 + 2 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 4057225.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 81120 + ... + 81169.

Almost surely, 2^4057225 is an apocalyptic number.

It is an amenable number.

4057225 is a deficient number, since it is larger than the sum of its proper divisors (973765).

4057225 is a wasteful number, since it uses less digits than its factorization.

4057225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162299 (or 162294 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 4057225 is about 2014.2554455679. The cubic root of 4057225 is about 159.4935155889.

The spelling of 4057225 in words is "four million, fifty-seven thousand, two hundred twenty-five".