2622530 has 8 divisors (see below), whose sum is σ = 4720572. Its totient is φ = 1049008.

The previous prime is 2622517. The next prime is 2622533. The reversal of 2622530 is 352262.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2621161 + 1369 = 1619^2 + 37^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2622533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131117 + ... + 131136.

2^2622530 is an apocalyptic number.

2622530 is a deficient number, since it is larger than the sum of its proper divisors (2098042).

2622530 is a wasteful number, since it uses less digits than its factorization.

2622530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262260.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 2622530 is about 1619.4227366565. The cubic root of 2622530 is about 137.9029283034.

Adding to 2622530 its reverse (352262), we get a palindrome (2974792).

The spelling of 2622530 in words is "two million, six hundred twenty-two thousand, five hundred thirty".