2279895 has 16 divisors (see below), whose sum is σ = 3766272. Its totient is φ = 1176480.

The previous prime is 2279869. The next prime is 2279897. The reversal of 2279895 is 5989722.

It is not a de Polignac number, because 2279895 - 2¹⁵ = 2247127 is a prime.

It is a super-2 number, since 2×2279895² = 10395842422050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2279897) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1987 + ... + 2916.

It is an arithmetic number, because the mean of its divisors is an integer number (235392).

2^2279895 is an apocalyptic number.

2279895 is a deficient number, since it is larger than the sum of its proper divisors (1486377).

2279895 is a wasteful number, since it uses less digits than its factorization.

2279895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4942.

The product of its digits is 90720, while the sum is 42.

The square root of 2279895 is about 1509.9321176795. The cubic root of 2279895 is about 131.6148668391.

The spelling of 2279895 in words is "two million, two hundred seventy-nine thousand, eight hundred ninety-five".