2772209 has 8 divisors (see below), whose sum is σ = 3046080. Its totient is φ = 2502000.

The previous prime is 2772199. The next prime is 2772227. The reversal of 2772209 is 9022772.

2772209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2772209 - 2⁴ = 2772193 is a prime.

It is a d-powerful number, because it can be written as 2¹⁵ + 7³ + 7⁶ + 2¹⁹ + 2²¹ + 0 + 9 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2772239) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 827 + ... + 2495.

It is an arithmetic number, because the mean of its divisors is an integer number (380760).

2^2772209 is an apocalyptic number.

It is an amenable number.

2772209 is a deficient number, since it is larger than the sum of its proper divisors (273871).

2772209 is a wasteful number, since it uses less digits than its factorization.

2772209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1831.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 2772209 is about 1664.9951951883. The cubic root of 2772209 is about 140.4781102577.

The spelling of 2772209 in words is "two million, seven hundred seventy-two thousand, two hundred nine".