3522222 has 24 divisors (see below), whose sum is σ = 8325720. Its totient is φ = 1067280.

The previous prime is 3522217. The next prime is 3522263. The reversal of 3522222 is 2222253.

It is a Harshad number since it is a multiple of its sum of digits (18).

3522222 is a modest number, since divided by 2222 gives 352 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 3522195 and 3522204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8697 + ... + 9092.

It is an arithmetic number, because the mean of its divisors is an integer number (346905).

Almost surely, 2^3522222 is an apocalyptic number.

3522222 is an abundant number, since it is smaller than the sum of its proper divisors (4803498).

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

3522222 is a wasteful number, since it uses less digits than its factorization.

3522222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17808 (or 17805 counting only the distinct ones).

The product of its digits is 480, while the sum is 18.

The square root of 3522222 is about 1876.7583754975. The cubic root of 3522222 is about 152.1500998810.

Adding to 3522222 its reverse (2222253), we get a palindrome (5744475).

It can be divided in two parts, 3 and 522222, that added together give a palindrome (522225).

The spelling of 3522222 in words is "three million, five hundred twenty-two thousand, two hundred twenty-two".