64199227 has 8 divisors (see below), whose sum is σ = 65812032. Its totient is φ = 62596800.

The previous prime is 64199221. The next prime is 64199231. The reversal of 64199227 is 72299146.

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

It is a cyclic number.

It is not a de Polignac number, because 64199227 - 2⁷ = 64199099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 64199227.

It is not an unprimeable number, because it can be changed into a prime (64199221) 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, 10777 + ... + 15637.

It is an arithmetic number, because the mean of its divisors is an integer number (8226504).

Almost surely, 2^64199227 is an apocalyptic number.

64199227 is a deficient number, since it is larger than the sum of its proper divisors (1612805).

64199227 is a wasteful number, since it uses less digits than its factorization.

64199227 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5189.

The product of its digits is 54432, while the sum is 40.

The square root of 64199227 is about 8012.4420122707. The cubic root of 64199227 is about 400.4146263140.

The spelling of 64199227 in words is "sixty-four million, one hundred ninety-nine thousand, two hundred twenty-seven".