4025522 has 8 divisors (see below), whose sum is σ = 6048000. Its totient is φ = 2009524.

The previous prime is 4025521. The next prime is 4025543. The reversal of 4025522 is 2255204.

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4025494 and 4025503.

It is not an unprimeable number, because it can be changed into a prime (4025521) by changing a digit.

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, 479 + ... + 2877.

It is an arithmetic number, because the mean of its divisors is an integer number (756000).

Almost surely, 2^4025522 is an apocalyptic number.

4025522 is a deficient number, since it is larger than the sum of its proper divisors (2022478).

4025522 is a wasteful number, since it uses less digits than its factorization.

4025522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3240.

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 4025522 is about 2006.3703546454. The cubic root of 4025522 is about 159.0770034302.

The spelling of 4025522 in words is "four million, twenty-five thousand, five hundred twenty-two".