227222660 has 96 divisors (see below), whose sum is σ = 562609152. Its totient is φ = 75479040.

The previous prime is 227222659. The next prime is 227222711. The reversal of 227222660 is 66222722.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 838325 + ... + 838595.

It is an arithmetic number, because the mean of its divisors is an integer number (5860512).

Almost surely, 2^227222660 is an apocalyptic number.

227222660 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 227222660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281304576).

227222660 is an abundant number, since it is smaller than the sum of its proper divisors (335386492).

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

227222660 is a wasteful number, since it uses less digits than its factorization.

227222660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453 (or 451 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 227222660 is about 15073.9065938462. The cubic root of 227222660 is about 610.2164062420.

The spelling of 227222660 in words is "two hundred twenty-seven million, two hundred twenty-two thousand, six hundred sixty".