2278012826 has 8 divisors (see below), whose sum is σ = 3489721920. Its totient is φ = 1114772188.

The previous prime is 2278012819. The next prime is 2278012859. The reversal of 2278012826 is 6282108722.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 2278012826.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12116996 + ... + 12117183.

It is an arithmetic number, because the mean of its divisors is an integer number (436215240).

Almost surely, 2^2278012826 is an apocalyptic number.

2278012826 is a deficient number, since it is larger than the sum of its proper divisors (1211709094).

2278012826 is a wasteful number, since it uses less digits than its factorization.

2278012826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24234228.

The product of its (nonzero) digits is 43008, while the sum is 38.

The square root of 2278012826 is about 47728.5326193882. The cubic root of 2278012826 is about 1315.7863852148.

The spelling of 2278012826 in words is "two billion, two hundred seventy-eight million, twelve thousand, eight hundred twenty-six".