2270206 has 4 divisors (see below), whose sum is σ = 3405312. Its totient is φ = 1135102.

The previous prime is 2270201. The next prime is 2270239. The reversal of 2270206 is 6020722.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2270201) 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 as a sum of consecutive naturals, namely, 567550 + ... + 567553.

It is an arithmetic number, because the mean of its divisors is an integer number (851328).

2^2270206 is an apocalyptic number.

2270206 is a deficient number, since it is larger than the sum of its proper divisors (1135106).

2270206 is a wasteful number, since it uses less digits than its factorization.

2270206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135105.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 2270206 is about 1506.7202792821. The cubic root of 2270206 is about 131.4281583613.

Adding to 2270206 its reverse (6020722), we get a palindrome (8290928).

The spelling of 2270206 in words is "two million, two hundred seventy thousand, two hundred six".