2206706 has 4 divisors (see below), whose sum is σ = 3310062. Its totient is φ = 1103352.

The previous prime is 2206681. The next prime is 2206709. The reversal of 2206706 is 6076022.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 1729225 + 477481 = 1315^2 + 691^2 .

It is not an unprimeable number, because it can be changed into a prime (2206709) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 551675 + ... + 551678.

2^2206706 is an apocalyptic number.

2206706 is a deficient number, since it is larger than the sum of its proper divisors (1103356).

2206706 is a wasteful number, since it uses less digits than its factorization.

2206706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1103355.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 2206706 is about 1485.4985695045. The cubic root of 2206706 is about 130.1911586151.

The spelling of 2206706 in words is "two million, two hundred six thousand, seven hundred six".