3504222 has 40 divisors (see below), whose sum is σ = 7968576. Its totient is φ = 1150848.

The previous prime is 3504217. The next prime is 3504223. The reversal of 3504222 is 2224053.

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

It is a junction number, because it is equal to n+sod(n) for n = 3504195 and 3504204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3504223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15603 + ... + 15825.

Almost surely, 2^3504222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3504222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3984288).

3504222 is an abundant number, since it is smaller than the sum of its proper divisors (4464354).

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

3504222 is a wasteful number, since it uses less digits than its factorization.

3504222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 325 counting only the distinct ones).

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

The square root of 3504222 is about 1871.9567302692. The cubic root of 3504222 is about 151.8904739606.

Adding to 3504222 its reverse (2224053), we get a palindrome (5728275).

The spelling of 3504222 in words is "three million, five hundred four thousand, two hundred twenty-two".