2799218 has 4 divisors (see below), whose sum is σ = 4198830. Its totient is φ = 1399608.

The previous prime is 2799217. The next prime is 2799221. The reversal of 2799218 is 8129972.

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., 2798929 + 289 = 1673^2 + 17^2 .

It is not an unprimeable number, because it can be changed into a prime (2799211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 699803 + ... + 699806.

2^2799218 is an apocalyptic number.

2799218 is a deficient number, since it is larger than the sum of its proper divisors (1399612).

2799218 is a wasteful number, since it uses less digits than its factorization.

2799218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1399611.

The product of its digits is 18144, while the sum is 38.

The square root of 2799218 is about 1673.0863695578. The cubic root of 2799218 is about 140.9328520205.

The spelling of 2799218 in words is "two million, seven hundred ninety-nine thousand, two hundred eighteen".