227827866 has 64 divisors (see below), whose sum is σ = 540573696. Its totient is φ = 62640000.

The previous prime is 227827861. The next prime is 227827909. The reversal of 227827866 is 668728722.

It is a happy number.

It is a super-2 number, since 2×227827866² = 103811073052227912, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (227827861) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 302991 + ... + 303741.

It is an arithmetic number, because the mean of its divisors is an integer number (8446464).

Almost surely, 2^227827866 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 227827866, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (270286848).

227827866 is an abundant number, since it is smaller than the sum of its proper divisors (312745830).

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

227827866 is a wasteful number, since it uses less digits than its factorization.

227827866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1027.

The product of its digits is 903168, while the sum is 48.

The square root of 227827866 is about 15093.9678679928. The cubic root of 227827866 is about 610.7576950271.

The spelling of 227827866 in words is "two hundred twenty-seven million, eight hundred twenty-seven thousand, eight hundred sixty-six".