3648222 has 12 divisors (see below), whose sum is σ = 7904520. Its totient is φ = 1216068.

The previous prime is 3648179. The next prime is 3648241. The reversal of 3648222 is 2228463.

It is a super-2 number, since 2×3648222² = 26619047522568, which contains 22 as substring.

It is a plaindrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101322 + ... + 101357.

It is an arithmetic number, because the mean of its divisors is an integer number (658710).

Almost surely, 2^3648222 is an apocalyptic number.

3648222 is an abundant number, since it is smaller than the sum of its proper divisors (4256298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3648222 is a wasteful number, since it uses less digits than its factorization.

3648222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202687 (or 202684 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 3648222 is about 1910.0319369058. The cubic root of 3648222 is about 153.9431678751.

The spelling of 3648222 in words is "three million, six hundred forty-eight thousand, two hundred twenty-two".