227520384645 has 64 divisors (see below), whose sum is σ = 390381016320. Its totient is φ = 112927223808.

The previous prime is 227520384601. The next prime is 227520384647. The reversal of 227520384645 is 546483025722.

227520384645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 227520384645 - 2²³ = 227511996037 is a prime.

It is a super-3 number, since 3×227520384645³ (a number of 35 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 227520384594 and 227520384603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (227520384647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1656109 + ... + 1788221.

It is an arithmetic number, because the mean of its divisors is an integer number (6099703380).

Almost surely, 2^227520384645 is an apocalyptic number.

It is an amenable number.

227520384645 is a deficient number, since it is larger than the sum of its proper divisors (162860631675).

227520384645 is a wasteful number, since it uses less digits than its factorization.

227520384645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132294.

The product of its (nonzero) digits is 3225600, while the sum is 48.

The spelling of 227520384645 in words is "two hundred twenty-seven billion, five hundred twenty million, three hundred eighty-four thousand, six hundred forty-five".