2774218 has 4 divisors (see below), whose sum is σ = 4161330. Its totient is φ = 1387108.

The previous prime is 2774207. The next prime is 2774251. The reversal of 2774218 is 8124772.

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., 2765569 + 8649 = 1663^2 + 93^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 2774218.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 693553 + ... + 693556.

2^2774218 is an apocalyptic number.

2774218 is a deficient number, since it is larger than the sum of its proper divisors (1387112).

2774218 is a wasteful number, since it uses less digits than its factorization.

2774218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387111.

The product of its digits is 6272, while the sum is 31.

The square root of 2774218 is about 1665.5983909694. The cubic root of 2774218 is about 140.5120365570.

It can be divided in two parts, 2774 and 218, that added together give a palindrome (2992).

The spelling of 2774218 in words is "two million, seven hundred seventy-four thousand, two hundred eighteen".