2278888 has 16 divisors (see below), whose sum is σ = 4308480. Its totient is φ = 1129968.

The previous prime is 2278877. The next prime is 2278891. The reversal of 2278888 is 8888722.

It is a happy number.

It is a plaindrome in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106 + ... + 2137.

It is an arithmetic number, because the mean of its divisors is an integer number (269280).

2^2278888 is an apocalyptic number.

It is an amenable number.

2278888 is a deficient number, since it is larger than the sum of its proper divisors (2029592).

2278888 is a wasteful number, since it uses less digits than its factorization.

2278888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2376 (or 2372 counting only the distinct ones).

The product of its digits is 114688, while the sum is 43.

The square root of 2278888 is about 1509.5986221509. The cubic root of 2278888 is about 131.5954864599.

The spelling of 2278888 in words is "two million, two hundred seventy-eight thousand, eight hundred eighty-eight".