4225515 has 24 divisors (see below), whose sum is σ = 7866000. Its totient is φ = 1931328.

The previous prime is 4225513. The next prime is 4225519. The reversal of 4225515 is 5155224.

It is a happy number.

4225515 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4225515 - 2¹ = 4225513 is a prime.

4225515 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4225513) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2140 + ... + 3609.

It is an arithmetic number, because the mean of its divisors is an integer number (327750).

Almost surely, 2^4225515 is an apocalyptic number.

4225515 is a deficient number, since it is larger than the sum of its proper divisors (3640485).

4225515 is a wasteful number, since it uses less digits than its factorization.

4225515 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5771 (or 5764 counting only the distinct ones).

The product of its digits is 2000, while the sum is 24.

The square root of 4225515 is about 2055.6057501379. The cubic root of 4225515 is about 161.6689245206.

The spelling of 4225515 in words is "four million, two hundred twenty-five thousand, five hundred fifteen".