2273206 has 32 divisors (see below), whose sum is σ = 4021920. Its totient is φ = 953856.

The previous prime is 2273171. The next prime is 2273209. The reversal of 2273206 is 6023722.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2273209) 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 15 ways as a sum of consecutive naturals, for example, 16285 + ... + 16423.

It is an arithmetic number, because the mean of its divisors is an integer number (125685).

2^2273206 is an apocalyptic number.

2273206 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2273206 is a deficient number, since it is larger than the sum of its proper divisors (1748714).

2273206 is a wasteful number, since it uses less digits than its factorization.

2273206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 2273206 is about 1507.7154904026. The cubic root of 2273206 is about 131.4860254924.

Adding to 2273206 its reverse (6023722), we get a palindrome (8296928).

The spelling of 2273206 in words is "two million, two hundred seventy-three thousand, two hundred six".