3642222 has 8 divisors (see below), whose sum is σ = 7284456. Its totient is φ = 1214072.

The previous prime is 3642209. The next prime is 3642227. The reversal of 3642222 is 2222463.

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

3642222 is an admirable number.

3642222 is a modest number, since divided by 2222 gives 364 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3642227) 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, 303513 + ... + 303524.

It is an arithmetic number, because the mean of its divisors is an integer number (910557).

Almost surely, 2^3642222 is an apocalyptic number.

3642222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3642222 is a wasteful number, since it uses less digits than its factorization.

3642222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607042.

The product of its digits is 1152, while the sum is 21.

The square root of 3642222 is about 1908.4606362197. The cubic root of 3642222 is about 153.8587280364.

Adding to 3642222 its reverse (2222463), we get a palindrome (5864685).

It can be divided in two parts, 364 and 2222, that multiplied together give a palindrome (808808).

The spelling of 3642222 in words is "three million, six hundred forty-two thousand, two hundred twenty-two".