227804772 has 48 divisors (see below), whose sum is σ = 574091840. Its totient is φ = 69890688.

The previous prime is 227804761. The next prime is 227804779. The reversal of 227804772 is 277408722.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 227804772.

It is not an unprimeable number, because it can be changed into a prime (227804779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57198 + ... + 61050.

Almost surely, 2^227804772 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 227804772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (287045920).

227804772 is an abundant number, since it is smaller than the sum of its proper divisors (346287068).

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

227804772 is a wasteful number, since it uses less digits than its factorization.

227804772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4252 (or 4250 counting only the distinct ones).

The product of its (nonzero) digits is 87808, while the sum is 39.

The square root of 227804772 is about 15093.2028410142. The cubic root of 227804772 is about 610.7370576412.

The spelling of 227804772 in words is "two hundred twenty-seven million, eight hundred four thousand, seven hundred seventy-two".