227796660 has 144 divisors (see below), whose sum is σ = 850502016. Its totient is φ = 48059136.

The previous prime is 227796641. The next prime is 227796683. The reversal of 227796660 is 66697722.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9427 + ... + 23333.

It is an arithmetic number, because the mean of its divisors is an integer number (5906264).

Almost surely, 2^227796660 is an apocalyptic number.

227796660 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 227796660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (425251008).

227796660 is an abundant number, since it is smaller than the sum of its proper divisors (622705356).

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

227796660 is a wasteful number, since it uses less digits than its factorization.

227796660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13942 (or 13937 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The square root of 227796660 is about 15092.9341083833. The cubic root of 227796660 is about 610.7298082206.

The spelling of 227796660 in words is "two hundred twenty-seven million, seven hundred ninety-six thousand, six hundred sixty".