2862278 has 4 divisors (see below), whose sum is σ = 4293420. Its totient is φ = 1431138.

The previous prime is 2862259. The next prime is 2862289. The reversal of 2862278 is 8722682.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8722682 = 2 ⋅4361341.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 715568 + ... + 715571.

It is an arithmetic number, because the mean of its divisors is an integer number (1073355).

2^2862278 is an apocalyptic number.

2862278 is a deficient number, since it is larger than the sum of its proper divisors (1431142).

2862278 is a wasteful number, since it uses less digits than its factorization.

2862278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1431141.

The product of its digits is 21504, while the sum is 35.

The square root of 2862278 is about 1691.8268232890. The cubic root of 2862278 is about 141.9833016138.

The spelling of 2862278 in words is "two million, eight hundred sixty-two thousand, two hundred seventy-eight".