4081522 has 8 divisors (see below), whose sum is σ = 6319872. Its totient is φ = 1974900.

The previous prime is 4081501. The next prime is 4081541. The reversal of 4081522 is 2251804.

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

It is a junction number, because it is equal to n+sod(n) for n = 4081493 and 4081502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32854 + ... + 32977.

It is an arithmetic number, because the mean of its divisors is an integer number (789984).

Almost surely, 2^4081522 is an apocalyptic number.

4081522 is a deficient number, since it is larger than the sum of its proper divisors (2238350).

4081522 is a wasteful number, since it uses less digits than its factorization.

4081522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65864.

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 4081522 is about 2020.2777036833. The cubic root of 4081522 is about 159.8112618244.

The spelling of 4081522 in words is "four million, eighty-one thousand, five hundred twenty-two".