4022066 has 4 divisors (see below), whose sum is σ = 6033102. Its totient is φ = 2011032.

The previous prime is 4022063. The next prime is 4022069. The reversal of 4022066 is 6602204.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (4022063) and next prime (4022069).

It can be written as a sum of positive squares in only one way, i.e., 3916441 + 105625 = 1979^2 + 325^2 .

It is not an unprimeable number, because it can be changed into a prime (4022063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005515 + ... + 1005518.

Almost surely, 2^4022066 is an apocalyptic number.

4022066 is a deficient number, since it is larger than the sum of its proper divisors (2011036).

4022066 is a wasteful number, since it uses less digits than its factorization.

4022066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2011035.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 4022066 is about 2005.5089129695. The cubic root of 4022066 is about 159.0314666834.

The spelling of 4022066 in words is "four million, twenty-two thousand, sixty-six".