227385840 has 80 divisors (see below), whose sum is σ = 768986496. Its totient is φ = 55123200.

The previous prime is 227385811. The next prime is 227385841. The reversal of 227385840 is 48583722.

227385840 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227385841) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40426 + ... + 45705.

Almost surely, 2^227385840 is an apocalyptic number.

227385840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

227385840 is an abundant number, since it is smaller than the sum of its proper divisors (541600656).

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

227385840 is a wasteful number, since it uses less digits than its factorization.

227385840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86158 (or 86152 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 227385840 is about 15079.3182869784. The cubic root of 227385840 is about 610.3624469670.

The spelling of 227385840 in words is "two hundred twenty-seven million, three hundred eighty-five thousand, eight hundred forty".