227290536 has 128 divisors (see below), whose sum is σ = 697852800. Its totient is φ = 68817600.

The previous prime is 227290529. The next prime is 227290549. The reversal of 227290536 is 635092722.

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

It is a self number, because there is not a number n which added to its sum of digits gives 227290536.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 191866 + ... + 193046.

It is an arithmetic number, because the mean of its divisors is an integer number (5451975).

Almost surely, 2^227290536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 227290536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (348926400).

227290536 is an abundant number, since it is smaller than the sum of its proper divisors (470562264).

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

227290536 is a wasteful number, since it uses less digits than its factorization.

227290536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1219 (or 1197 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 227290536 is about 15076.1578659816. The cubic root of 227290536 is about 610.2771615165.

The spelling of 227290536 in words is "two hundred twenty-seven million, two hundred ninety thousand, five hundred thirty-six".