2522205 has 64 divisors (see below), whose sum is σ = 5460480. Its totient is φ = 1078272.

The previous prime is 2522189. The next prime is 2522209. The reversal of 2522205 is 5022252.

It is not a de Polignac number, because 2522205 - 2⁴ = 2522189 is a prime.

2522205 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2522209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15987 + ... + 16143.

It is an arithmetic number, because the mean of its divisors is an integer number (85320).

2^2522205 is an apocalyptic number.

It is an amenable number.

2522205 is an abundant number, since it is smaller than the sum of its proper divisors (2938275).

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

2522205 is a wasteful number, since it uses less digits than its factorization.

2522205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 18.

The square root of 2522205 is about 1588.1451445003. The cubic root of 2522205 is about 136.1215212856.

Adding to 2522205 its reverse (5022252), we get a palindrome (7544457).

The spelling of 2522205 in words is "two million, five hundred twenty-two thousand, two hundred five".