47222165 has 8 divisors (see below), whose sum is σ = 56764800. Its totient is φ = 37712272.

The previous prime is 47222159. The next prime is 47222221. The reversal of 47222165 is 56122274.

It is a happy number.

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 47222165 - 2¹² = 47218069 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4889 + ... + 10878.

It is an arithmetic number, because the mean of its divisors is an integer number (7095600).

Almost surely, 2^47222165 is an apocalyptic number.

It is an amenable number.

47222165 is a deficient number, since it is larger than the sum of its proper divisors (9542635).

47222165 is a wasteful number, since it uses less digits than its factorization.

47222165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16371.

The product of its digits is 6720, while the sum is 29.

The square root of 47222165 is about 6871.8385458333. The cubic root of 47222165 is about 361.4503348773.

The spelling of 47222165 in words is "forty-seven million, two hundred twenty-two thousand, one hundred sixty-five".