2774222 has 16 divisors (see below), whose sum is σ = 4637952. Its totient is φ = 1233720.

The previous prime is 2774207. The next prime is 2774251. The reversal of 2774222 is 2224772.

It is a happy number.

2774222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2774191 and 2774200.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 308 + ... + 2375.

It is an arithmetic number, because the mean of its divisors is an integer number (289872).

2^2774222 is an apocalyptic number.

2774222 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2774222 is a deficient number, since it is larger than the sum of its proper divisors (1863730).

2774222 is a wasteful number, since it uses less digits than its factorization.

2774222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2743.

The product of its digits is 3136, while the sum is 26.

The square root of 2774222 is about 1665.5995917387. The cubic root of 2774222 is about 140.5121040893.

Adding to 2774222 its reverse (2224772), we get a palindrome (4998994).

The spelling of 2774222 in words is "two million, seven hundred seventy-four thousand, two hundred twenty-two".