3522228 has 24 divisors (see below), whose sum is σ = 8420160. Its totient is φ = 1145280.

The previous prime is 3522217. The next prime is 3522263. The reversal of 3522228 is 8222253.

It is a junction number, because it is equal to n+sod(n) for n = 3522198 and 3522207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3088 + ... + 4071.

It is an arithmetic number, because the mean of its divisors is an integer number (350840).

Almost surely, 2^3522228 is an apocalyptic number.

It is an amenable number.

3522228 is an abundant number, since it is smaller than the sum of its proper divisors (4897932).

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

3522228 is a wasteful number, since it uses less digits than its factorization.

3522228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7207 (or 7205 counting only the distinct ones).

The product of its digits is 1920, while the sum is 24.

The square root of 3522228 is about 1876.7599739977. The cubic root of 3522228 is about 152.1501862753.

The spelling of 3522228 in words is "three million, five hundred twenty-two thousand, two hundred twenty-eight".