2228078804178 has 32 divisors (see below), whose sum is σ = 4650239548800. Its totient is φ = 710350610816.

The previous prime is 2228078804143. The next prime is 2228078804179. The reversal of 2228078804178 is 8714088708222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2228078804179) 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, 1356988 + ... + 2509496.

It is an arithmetic number, because the mean of its divisors is an integer number (145319985900).

Almost surely, 2^{2228078804178} is an apocalyptic number.

2228078804178 is an abundant number, since it is smaller than the sum of its proper divisors (2422160744622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2228078804178 is a wasteful number, since it uses less digits than its factorization.

2228078804178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166546.

The product of its (nonzero) digits is 6422528, while the sum is 57.

The spelling of 2228078804178 in words is "two trillion, two hundred twenty-eight billion, seventy-eight million, eight hundred four thousand, one hundred seventy-eight".