227776780 has 96 divisors (see below), whose sum is σ = 599477760. Its totient is φ = 70625280.

The previous prime is 227776741. The next prime is 227776781. The reversal of 227776780 is 87677722.

It is a self number, because there is not a number n which added to its sum of digits gives 227776780.

It is not an unprimeable number, because it can be changed into a prime (227776781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 543411 + ... + 543829.

It is an arithmetic number, because the mean of its divisors is an integer number (6244560).

Almost surely, 2^227776780 is an apocalyptic number.

227776780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 227776780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (299738880).

227776780 is an abundant number, since it is smaller than the sum of its proper divisors (371700980).

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

227776780 is a wasteful number, since it uses less digits than its factorization.

227776780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 799 (or 797 counting only the distinct ones).

The product of its (nonzero) digits is 460992, while the sum is 46.

The square root of 227776780 is about 15092.2755076894. The cubic root of 227776780 is about 610.7120414078.

The spelling of 227776780 in words is "two hundred twenty-seven million, seven hundred seventy-six thousand, seven hundred eighty".