227289400 has 192 divisors, whose sum is σ = 618710400. Its totient is φ = 76930560.

The previous prime is 227289397. The next prime is 227289401. The reversal of 227289400 is 4982722.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227289401) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2124147 + ... + 2124253.

It is an arithmetic number, because the mean of its divisors is an integer number (3222450).

Almost surely, 2^227289400 is an apocalyptic number.

227289400 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 227289400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309355200).

227289400 is an abundant number, since it is smaller than the sum of its proper divisors (391421000).

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

227289400 is a wasteful number, since it uses less digits than its factorization.

227289400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 189 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 227289400 is about 15076.1201905530. The cubic root of 227289400 is about 610.2761447913.

The spelling of 227289400 in words is "two hundred twenty-seven million, two hundred eighty-nine thousand, four hundred".