66352227 has 8 divisors (see below), whose sum is σ = 90627600. Its totient is φ = 43155840.

The previous prime is 66352219. The next prime is 66352243. The reversal of 66352227 is 72225366.

It is a happy number.

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

It is not a de Polignac number, because 66352227 - 2³ = 66352219 is a prime.

It is not an unprimeable number, because it can be changed into a prime (66152227) 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, 269602 + ... + 269847.

It is an arithmetic number, because the mean of its divisors is an integer number (11328450).

Almost surely, 2^66352227 is an apocalyptic number.

66352227 is a deficient number, since it is larger than the sum of its proper divisors (24275373).

66352227 is a wasteful number, since it uses less digits than its factorization.

66352227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 539493.

The product of its digits is 30240, while the sum is 33.

The square root of 66352227 is about 8145.6876321155. The cubic root of 66352227 is about 404.8416329454.

The spelling of 66352227 in words is "sixty-six million, three hundred fifty-two thousand, two hundred twenty-seven".