2278995 has 16 divisors (see below), whose sum is σ = 3676320. Its totient is φ = 1205504.

The previous prime is 2278981. The next prime is 2279009. The reversal of 2278995 is 5998722.

It is an interprime number because it is at equal distance from previous prime (2278981) and next prime (2279009).

It is a cyclic number.

It is not a de Polignac number, because 2278995 - 2⁴ = 2278979 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1501 + ... + 2609.

It is an arithmetic number, because the mean of its divisors is an integer number (229770).

2^2278995 is an apocalyptic number.

2278995 is a deficient number, since it is larger than the sum of its proper divisors (1397325).

2278995 is a wasteful number, since it uses less digits than its factorization.

2278995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1254.

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

The square root of 2278995 is about 1509.6340616189. The cubic root of 2278995 is about 131.5975460166.

The spelling of 2278995 in words is "two million, two hundred seventy-eight thousand, nine hundred ninety-five".