2279815 has 8 divisors (see below), whose sum is σ = 2743920. Its totient is φ = 1818432.

The previous prime is 2279813. The next prime is 2279839. The reversal of 2279815 is 5189722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2279815 - 2¹ = 2279813 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 2716 + ... + 3454.

It is an arithmetic number, because the mean of its divisors is an integer number (342990).

2^2279815 is an apocalyptic number.

2279815 is a deficient number, since it is larger than the sum of its proper divisors (464105).

2279815 is an equidigital number, since it uses as much as digits as its factorization.

2279815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1361.

The product of its digits is 10080, while the sum is 34.

The square root of 2279815 is about 1509.9056261899. The cubic root of 2279815 is about 131.6133273951.

The spelling of 2279815 in words is "two million, two hundred seventy-nine thousand, eight hundred fifteen".