3521226 has 8 divisors (see below), whose sum is σ = 7042464. Its totient is φ = 1173740.

The previous prime is 3521201. The next prime is 3521237. The reversal of 3521226 is 6221253.

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

3521226 is an admirable number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 293430 + ... + 293441.

It is an arithmetic number, because the mean of its divisors is an integer number (880308).

Almost surely, 2^3521226 is an apocalyptic number.

3521226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3521226 is a wasteful number, since it uses less digits than its factorization.

3521226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586876.

The product of its digits is 720, while the sum is 21.

The square root of 3521226 is about 1876.4930055825. The cubic root of 3521226 is about 152.1357570612.

Adding to 3521226 its reverse (6221253), we get a palindrome (9742479).

The spelling of 3521226 in words is "three million, five hundred twenty-one thousand, two hundred twenty-six".