2768218 has 4 divisors (see below), whose sum is σ = 4152330. Its totient is φ = 1384108.

The previous prime is 2768209. The next prime is 2768231. The reversal of 2768218 is 8128672.

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., 2411809 + 356409 = 1553^2 + 597^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 692053 + ... + 692056.

2^2768218 is an apocalyptic number.

2768218 is a deficient number, since it is larger than the sum of its proper divisors (1384112).

2768218 is a wasteful number, since it uses less digits than its factorization.

2768218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384111.

The product of its digits is 10752, while the sum is 34.

The square root of 2768218 is about 1663.7962615657. The cubic root of 2768218 is about 140.4106649583.

The spelling of 2768218 in words is "two million, seven hundred sixty-eight thousand, two hundred eighteen".