4225665 has 16 divisors (see below), whose sum is σ = 6926976. Its totient is φ = 2198400.

The previous prime is 4225651. The next prime is 4225679. The reversal of 4225665 is 5665224.

It is an interprime number because it is at equal distance from previous prime (4225651) and next prime (4225679).

It is not a de Polignac number, because 4225665 - 2⁴ = 4225649 is a prime.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2821 + ... + 4050.

It is an arithmetic number, because the mean of its divisors is an integer number (432936).

Almost surely, 2^4225665 is an apocalyptic number.

It is an amenable number.

4225665 is a deficient number, since it is larger than the sum of its proper divisors (2701311).

4225665 is a wasteful number, since it uses less digits than its factorization.

4225665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6920.

The product of its digits is 14400, while the sum is 30.

The square root of 4225665 is about 2055.6422354097. The cubic root of 4225665 is about 161.6708375065.

The spelling of 4225665 in words is "four million, two hundred twenty-five thousand, six hundred sixty-five".