3722222 has 8 divisors (see below), whose sum is σ = 6380976. Its totient is φ = 1595232.

The previous prime is 3722221. The next prime is 3722231. The reversal of 3722222 is 2222273.

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

3722222 is a modest number, since divided by 2222 gives 372 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 3722194 and 3722203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3722221) 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, 132923 + ... + 132950.

It is an arithmetic number, because the mean of its divisors is an integer number (797622).

Almost surely, 2^3722222 is an apocalyptic number.

3722222 is a deficient number, since it is larger than the sum of its proper divisors (2658754).

3722222 is a wasteful number, since it uses less digits than its factorization.

3722222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265882.

The product of its digits is 672, while the sum is 20.

The square root of 3722222 is about 1929.3060928738. The cubic root of 3722222 is about 154.9770621624.

Adding to 3722222 its reverse (2222273), we get a palindrome (5944495).

The spelling of 3722222 in words is "three million, seven hundred twenty-two thousand, two hundred twenty-two".