4022025 has 48 divisors (see below), whose sum is σ = 7809024. Its totient is φ = 1788480.

The previous prime is 4022021. The next prime is 4022027. The reversal of 4022025 is 5202204.

It is not a de Polignac number, because 4022025 - 2² = 4022021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4021995 and 4022013.

It is not an unprimeable number, because it can be changed into a prime (4022021) 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 47 ways as a sum of consecutive naturals, for example, 24594 + ... + 24756.

It is an arithmetic number, because the mean of its divisors is an integer number (162688).

Almost surely, 2^4022025 is an apocalyptic number.

It is an amenable number.

4022025 is a deficient number, since it is larger than the sum of its proper divisors (3786999).

4022025 is a wasteful number, since it uses less digits than its factorization.

4022025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 225 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 4022025 is about 2005.4986910990. The cubic root of 4022025 is about 159.0309263050.

Adding to 4022025 its reverse (5202204), we get a palindrome (9224229).

The spelling of 4022025 in words is "four million, twenty-two thousand, twenty-five".