2622505 has 8 divisors (see below), whose sum is σ = 3332232. Its totient is φ = 1974528.

The previous prime is 2622479. The next prime is 2622511. The reversal of 2622505 is 5052262.

It can be written as a sum of positive squares in 4 ways, for example, as 151321 + 2471184 = 389^2 + 1572^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2622505 - 2⁷ = 2622377 is a prime.

It is a Duffinian number.

2622505 is a lucky 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, 15342 + ... + 15511.

It is an arithmetic number, because the mean of its divisors is an integer number (416529).

2^2622505 is an apocalyptic number.

It is an amenable number.

2622505 is a deficient number, since it is larger than the sum of its proper divisors (709727).

2622505 is a wasteful number, since it uses less digits than its factorization.

2622505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30875.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 2622505 is about 1619.4150178382. The cubic root of 2622505 is about 137.9024901026.

Adding to 2622505 its reverse (5052262), we get a palindrome (7674767).

The spelling of 2622505 in words is "two million, six hundred twenty-two thousand, five hundred five".