2206634 has 8 divisors (see below), whose sum is σ = 3504708. Its totient is φ = 1038400.

The previous prime is 2206627. The next prime is 2206649. The reversal of 2206634 is 4366022.

2206634 = T₂₂₀ + T₂₂₁ + ... + T₂₈₇.

2206634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1951609 + 255025 = 1397^2 + 505^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32417 + ... + 32484.

2^2206634 is an apocalyptic number.

2206634 is a deficient number, since it is larger than the sum of its proper divisors (1298074).

2206634 is a wasteful number, since it uses less digits than its factorization.

2206634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64920.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 2206634 is about 1485.4743350190. The cubic root of 2206634 is about 130.1897426486.

The spelling of 2206634 in words is "two million, two hundred six thousand, six hundred thirty-four".