2622520 has 16 divisors (see below), whose sum is σ = 5900760. Its totient is φ = 1048992.

The previous prime is 2622517. The next prime is 2622533. The reversal of 2622520 is 252262.

It is a super-2 number, since 2×2622520² = 13755222300800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32742 + ... + 32821.

2^2622520 is an apocalyptic number.

2622520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2622520 is an abundant number, since it is smaller than the sum of its proper divisors (3278240).

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

2622520 is a wasteful number, since it uses less digits than its factorization.

2622520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65574 (or 65570 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2622520 is about 1619.4196491336. The cubic root of 2622520 is about 137.9027530234.

Adding to 2622520 its reverse (252262), we get a palindrome (2874782).

The spelling of 2622520 in words is "two million, six hundred twenty-two thousand, five hundred twenty".