3665222 has 8 divisors (see below), whose sum is σ = 5997672. Its totient is φ = 1666000.

The previous prime is 3665203. The next prime is 3665227. The reversal of 3665222 is 2225663.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3665191 and 3665200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3665227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83279 + ... + 83322.

It is an arithmetic number, because the mean of its divisors is an integer number (749709).

Almost surely, 2^3665222 is an apocalyptic number.

3665222 is a deficient number, since it is larger than the sum of its proper divisors (2332450).

3665222 is a wasteful number, since it uses less digits than its factorization.

3665222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166614.

The product of its digits is 4320, while the sum is 26.

The square root of 3665222 is about 1914.4769520681. The cubic root of 3665222 is about 154.1819124278.

The spelling of 3665222 in words is "three million, six hundred sixty-five thousand, two hundred twenty-two".