64381227 has 8 divisors (see below), whose sum is σ = 90891216. Its totient is φ = 40396032.

The previous prime is 64381223. The next prime is 64381231. The reversal of 64381227 is 72218346.

It is an interprime number because it is at equal distance from previous prime (64381223) and next prime (64381231).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64381227 - 2² = 64381223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64381223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631138 + ... + 631239.

It is an arithmetic number, because the mean of its divisors is an integer number (11361402).

Almost surely, 2^64381227 is an apocalyptic number.

64381227 is a deficient number, since it is larger than the sum of its proper divisors (26509989).

64381227 is a wasteful number, since it uses less digits than its factorization.

64381227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1262397.

The product of its digits is 16128, while the sum is 33.

The square root of 64381227 is about 8023.7913108455. The cubic root of 64381227 is about 400.7926511396.

The spelling of 64381227 in words is "sixty-four million, three hundred eighty-one thousand, two hundred twenty-seven".