3522144 has 48 divisors (see below), whose sum is σ = 9737280. Its totient is φ = 1111680.

The previous prime is 3522139. The next prime is 3522157. The reversal of 3522144 is 4412253.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 3522144.

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, 859 + ... + 2789.

It is an arithmetic number, because the mean of its divisors is an integer number (202860).

Almost surely, 2^3522144 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3522144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4868640).

3522144 is an abundant number, since it is smaller than the sum of its proper divisors (6215136).

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

3522144 is a wasteful number, since it uses less digits than its factorization.

3522144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1963 (or 1955 counting only the distinct ones).

The product of its digits is 960, while the sum is 21.

The square root of 3522144 is about 1876.7375948704. The cubic root of 3522144 is about 152.1489767457.

Adding to 3522144 its reverse (4412253), we get a palindrome (7934397).

The spelling of 3522144 in words is "three million, five hundred twenty-two thousand, one hundred forty-four".