664024227 has 8 divisors (see below), whose sum is σ = 902070864. Its totient is φ = 434330208.

The previous prime is 664024183. The next prime is 664024243. The reversal of 664024227 is 722420466.

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

It is not a de Polignac number, because 664024227 - 2¹² = 664020131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (664024327) 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, 2087968 + ... + 2088285.

It is an arithmetic number, because the mean of its divisors is an integer number (112758858).

Almost surely, 2^664024227 is an apocalyptic number.

664024227 is a deficient number, since it is larger than the sum of its proper divisors (238046637).

664024227 is a wasteful number, since it uses less digits than its factorization.

664024227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4176309.

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 664024227 is about 25768.6675441320. The cubic root of 664024227 is about 872.4247445923.

The spelling of 664024227 in words is "six hundred sixty-four million, twenty-four thousand, two hundred twenty-seven".