227992320 has 216 divisors, whose sum is σ = 819161616. Its totient is φ = 60715008.

The previous prime is 227992309. The next prime is 227992327. The reversal of 227992320 is 23299722.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (216).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 12.

It is not an unprimeable number, because it can be changed into a prime (227992327) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 310674 + ... + 311406.

Almost surely, 2^227992320 is an apocalyptic number.

227992320 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 227992320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (409580808).

227992320 is an abundant number, since it is smaller than the sum of its proper divisors (591169296).

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

227992320 is an frugal number, since it uses more digits than its factorization.

227992320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769 (or 743 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 227992320 is about 15099.4145581873. The cubic root of 227992320 is about 610.9046149950.

The spelling of 227992320 in words is "two hundred twenty-seven million, nine hundred ninety-two thousand, three hundred twenty".