5522640 has 40 divisors (see below), whose sum is σ = 17120928. Its totient is φ = 1472640.

The previous prime is 5522617. The next prime is 5522677. The reversal of 5522640 is 462255.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 5522640.

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, 11266 + ... + 11745.

Almost surely, 2^5522640 is an apocalyptic number.

It is an amenable number.

5522640 is an abundant number, since it is smaller than the sum of its proper divisors (11598288).

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

5522640 is a wasteful number, since it uses less digits than its factorization.

5522640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23027 (or 23021 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 5522640 is about 2350.0297870453. The cubic root of 5522640 is about 176.7592884838.

Adding to 5522640 its reverse (462255), we get a palindrome (5984895).

The spelling of 5522640 in words is "five million, five hundred twenty-two thousand, six hundred forty".