3522218 has 24 divisors (see below), whose sum is σ = 6216192. Its totient is φ = 1492344.

The previous prime is 3522217. The next prime is 3522263. The reversal of 3522218 is 8122253.

It is a junction number, because it is equal to n+sod(n) for n = 3522193 and 3522202.

It is not an unprimeable number, because it can be changed into a prime (3522217) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12305 + ... + 12587.

It is an arithmetic number, because the mean of its divisors is an integer number (259008).

Almost surely, 2^3522218 is an apocalyptic number.

3522218 is a deficient number, since it is larger than the sum of its proper divisors (2693974).

3522218 is a wasteful number, since it uses less digits than its factorization.

3522218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426 (or 419 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 3522218 is about 1876.7573098299. The cubic root of 3522218 is about 152.1500422847.

The spelling of 3522218 in words is "three million, five hundred twenty-two thousand, two hundred eighteen".