2772219 has 4 divisors (see below), whose sum is σ = 3696296. Its totient is φ = 1848144.

The previous prime is 2772199. The next prime is 2772227. The reversal of 2772219 is 9122772.

It is a happy number.

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

It is not a de Polignac number, because 2772219 - 2⁸ = 2771963 is a prime.

It is a super-2 number, since 2×2772219² = 15370396367922, which contains 22 as substring.

It is a D-number.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 462034 + ... + 462039.

It is an arithmetic number, because the mean of its divisors is an integer number (924074).

2^2772219 is an apocalyptic number.

2772219 is a deficient number, since it is larger than the sum of its proper divisors (924077).

2772219 is an equidigital number, since it uses as much as digits as its factorization.

2772219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924076.

The product of its digits is 3528, while the sum is 30.

The square root of 2772219 is about 1664.9981981972. The cubic root of 2772219 is about 140.4782791699.

The spelling of 2772219 in words is "two million, seven hundred seventy-two thousand, two hundred nineteen".