3022240 has 48 divisors (see below), whose sum is σ = 7694568. Its totient is φ = 1115136.

The previous prime is 3022237. The next prime is 3022249. The reversal of 3022240 is 422203.

It can be written as a sum of positive squares in 4 ways, for example, as 2676496 + 345744 = 1636^2 + 588^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a self number, because there is not a number n which added to its sum of digits gives 3022240.

It is not an unprimeable number, because it can be changed into a prime (3022249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1354 + ... + 2806.

Almost surely, 2^3022240 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 3022240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3847284).

3022240 is an abundant number, since it is smaller than the sum of its proper divisors (4672328).

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

3022240 is a wasteful number, since it uses less digits than its factorization.

3022240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1481 (or 1473 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 13.

The square root of 3022240 is about 1738.4590878131. The cubic root of 3022240 is about 144.5804758400.

Adding to 3022240 its reverse (422203), we get a palindrome (3444443).

The spelling of 3022240 in words is "three million, twenty-two thousand, two hundred forty".