2522206 has 8 divisors (see below), whose sum is σ = 3800520. Its totient is φ = 1255368.

The previous prime is 2522189. The next prime is 2522209. The reversal of 2522206 is 6022252.

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

It is an Ulam 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 3 ways as a sum of consecutive naturals, for example, 2296 + ... + 3211.

It is an arithmetic number, because the mean of its divisors is an integer number (475065).

2^2522206 is an apocalyptic number.

2522206 is a deficient number, since it is larger than the sum of its proper divisors (1278314).

2522206 is a wasteful number, since it uses less digits than its factorization.

2522206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5738.

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

The square root of 2522206 is about 1588.1454593330. The cubic root of 2522206 is about 136.1215392754.

Adding to 2522206 its reverse (6022252), we get a palindrome (8544458).

The spelling of 2522206 in words is "two million, five hundred twenty-two thousand, two hundred six".