5222540 has 12 divisors (see below), whose sum is σ = 10967376. Its totient is φ = 2089008.

The previous prime is 5222533. The next prime is 5222573. The reversal of 5222540 is 452225.

It is a super-3 number, since 3×5222540³ (a number of 21 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 261127 = 5222540 / (5 + 2 + 2 + 2 + 5 + 4 + 0).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130544 + ... + 130583.

It is an arithmetic number, because the mean of its divisors is an integer number (913948).

Almost surely, 2^5222540 is an apocalyptic number.

It is an amenable number.

5222540 is an abundant number, since it is smaller than the sum of its proper divisors (5744836).

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

5222540 is a wasteful number, since it uses less digits than its factorization.

5222540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261136 (or 261134 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 20.

The square root of 5222540 is about 2285.2877280553. The cubic root of 5222540 is about 173.4977811452.

Adding to 5222540 its reverse (452225), we get a palindrome (5674765).

The spelling of 5222540 in words is "five million, two hundred twenty-two thousand, five hundred forty".