2278930 has 8 divisors (see below), whose sum is σ = 4102092. Its totient is φ = 911568.

The previous prime is 2278891. The next prime is 2278943. The reversal of 2278930 is 398722.

It can be written as a sum of positive squares in 2 ways, for example, as 2277081 + 1849 = 1509^2 + 43^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2278892 and 2278901.

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, 113937 + ... + 113956.

2^2278930 is an apocalyptic number.

2278930 is a deficient number, since it is larger than the sum of its proper divisors (1823162).

2278930 is a wasteful number, since it uses less digits than its factorization.

2278930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227900.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 2278930 is about 1509.6125330693. The cubic root of 2278930 is about 131.5962948917.

The spelling of 2278930 in words is "two million, two hundred seventy-eight thousand, nine hundred thirty".