4065522 has 8 divisors (see below), whose sum is σ = 8131056. Its totient is φ = 1355172.

The previous prime is 4065517. The next prime is 4065527. The reversal of 4065522 is 2255604.

4065522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4065517) and next prime (4065527).

It is a sphenic number, since it is the product of 3 distinct primes.

4065522 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 4065492 and 4065501.

It is not an unprimeable number, because it can be changed into a prime (4065527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338788 + ... + 338799.

It is an arithmetic number, because the mean of its divisors is an integer number (1016382).

Almost surely, 2^4065522 is an apocalyptic number.

4065522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4065522 is a wasteful number, since it uses less digits than its factorization.

4065522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 677592.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 4065522 is about 2016.3139636475. The cubic root of 4065522 is about 159.6021626456.

The spelling of 4065522 in words is "four million, sixty-five thousand, five hundred twenty-two".