226917846978 has 16 divisors (see below), whose sum is σ = 454073700960. Its totient is φ = 75599614496.

The previous prime is 226917846973. The next prime is 226917846989. The reversal of 226917846978 is 879648719622.

It is not an unprimeable number, because it can be changed into a prime (226917846973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9904563 + ... + 9927446.

It is an arithmetic number, because the mean of its divisors is an integer number (28379606310).

Almost surely, 2^226917846978 is an apocalyptic number.

226917846978 is an abundant number, since it is smaller than the sum of its proper divisors (227155853982).

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

226917846978 is a wasteful number, since it uses less digits than its factorization.

226917846978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19833921.

The product of its digits is 146313216, while the sum is 69.

The spelling of 226917846978 in words is "two hundred twenty-six billion, nine hundred seventeen million, eight hundred forty-six thousand, nine hundred seventy-eight".