4422540 has 24 divisors (see below), whose sum is σ = 12383280. Its totient is φ = 1179328.

The previous prime is 4422527. The next prime is 4422557. The reversal of 4422540 is 452244.

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, 36795 + ... + 36914.

It is an arithmetic number, because the mean of its divisors is an integer number (515970).

Almost surely, 2^4422540 is an apocalyptic number.

It is an amenable number.

4422540 is an abundant number, since it is smaller than the sum of its proper divisors (7960740).

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

4422540 is a wasteful number, since it uses less digits than its factorization.

4422540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73721 (or 73719 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 4422540 is about 2102.9835948005. The cubic root of 4422540 is about 164.1435883053.

Adding to 4422540 its reverse (452244), we get a palindrome (4874784).

The spelling of 4422540 in words is "four million, four hundred twenty-two thousand, five hundred forty".