2147206 has 4 divisors (see below), whose sum is σ = 3220812. Its totient is φ = 1073602.

The previous prime is 2147177. The next prime is 2147213. The reversal of 2147206 is 6027412.

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

It is a super-2 number, since 2×2147206² = 9220987212872, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 536800 + ... + 536803.

It is an arithmetic number, because the mean of its divisors is an integer number (805203).

2^2147206 is an apocalyptic number.

2147206 is a deficient number, since it is larger than the sum of its proper divisors (1073606).

2147206 is a wasteful number, since it uses less digits than its factorization.

2147206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073605.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 2147206 is about 1465.3347740363. The cubic root of 2147206 is about 129.0103551169.

The spelling of 2147206 in words is "two million, one hundred forty-seven thousand, two hundred six".