3622005 has 12 divisors (see below), whose sum is σ = 6278220. Its totient is φ = 1931712.

The previous prime is 3622001. The next prime is 3622007. The reversal of 3622005 is 5002263.

It can be written as a sum of positive squares in 2 ways, for example, as 2683044 + 938961 = 1638^2 + 969^2 .

It is not a de Polignac number, because 3622005 - 2² = 3622001 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3622001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40200 + ... + 40289.

It is an arithmetic number, because the mean of its divisors is an integer number (523185).

Almost surely, 2^3622005 is an apocalyptic number.

It is an amenable number.

3622005 is a deficient number, since it is larger than the sum of its proper divisors (2656215).

3622005 is a wasteful number, since it uses less digits than its factorization.

3622005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80500 (or 80497 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 3622005 is about 1903.1565884078. The cubic root of 3622005 is about 153.5735234719.

Adding to 3622005 its reverse (5002263), we get a palindrome (8624268).

The spelling of 3622005 in words is "three million, six hundred twenty-two thousand, five".