227813540 has 12 divisors (see below), whose sum is σ = 478408476. Its totient is φ = 91125408.

The previous prime is 227813539. The next prime is 227813563. The reversal of 227813540 is 45318722.

227813540 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 140801956 + 87011584 = 11866^2 + 9328^2 .

It is a junction number, because it is equal to n+sod(n) for n = 227813497 and 227813506.

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 3 ways as a sum of consecutive naturals, for example, 5695319 + ... + 5695358.

It is an arithmetic number, because the mean of its divisors is an integer number (39867373).

Almost surely, 2^227813540 is an apocalyptic number.

227813540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

227813540 is an abundant number, since it is smaller than the sum of its proper divisors (250594936).

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

227813540 is a wasteful number, since it uses less digits than its factorization.

227813540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11390686 (or 11390684 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 227813540 is about 15093.4933000946. The cubic root of 227813540 is about 610.7448931133.

The spelling of 227813540 in words is "two hundred twenty-seven million, eight hundred thirteen thousand, five hundred forty".