2022004 has 6 divisors (see below), whose sum is σ = 3538514. Its totient is φ = 1011000.

The previous prime is 2021959. The next prime is 2022011. The reversal of 2022004 is 4002202.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1954404 + 67600 = 1398^2 + 260^2 .

It is a congruent number.

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 as a sum of consecutive naturals, namely, 252747 + ... + 252754.

2^2022004 is an apocalyptic number.

It is an amenable number.

2022004 is a deficient number, since it is larger than the sum of its proper divisors (1516510).

2022004 is a wasteful number, since it uses less digits than its factorization.

2022004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505505 (or 505503 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 2022004 is about 1421.9718703266. The cubic root of 2022004 is about 126.4524758078.

Adding to 2022004 its reverse (4002202), we get a palindrome (6024206).

The spelling of 2022004 in words is "two million, twenty-two thousand, four".