2279812 has 12 divisors (see below), whose sum is σ = 4001536. Its totient is φ = 1136520.

The previous prime is 2279807. The next prime is 2279813. The reversal of 2279812 is 2189722.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2279813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1237 + ... + 2467.

2^2279812 is an apocalyptic number.

It is an amenable number.

2279812 is a deficient number, since it is larger than the sum of its proper divisors (1721724).

2279812 is a wasteful number, since it uses less digits than its factorization.

2279812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1698 (or 1696 counting only the distinct ones).

The product of its digits is 4032, while the sum is 31.

The square root of 2279812 is about 1509.9046327500. The cubic root of 2279812 is about 131.6132696652.

The spelling of 2279812 in words is "two million, two hundred seventy-nine thousand, eight hundred twelve".