47162223 has 16 divisors (see below), whose sum is σ = 70045440. Its totient is φ = 31362552.

The previous prime is 47162183. The next prime is 47162231. The reversal of 47162223 is 32226174.

It is not a de Polignac number, because 47162223 - 2⁹ = 47161711 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47162623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9990 + ... + 13932.

It is an arithmetic number, because the mean of its divisors is an integer number (4377840).

Almost surely, 2^47162223 is an apocalyptic number.

47162223 is a deficient number, since it is larger than the sum of its proper divisors (22883217).

47162223 is a wasteful number, since it uses less digits than its factorization.

47162223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4395 (or 4389 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 47162223 is about 6867.4757371250. The cubic root of 47162223 is about 361.2973330698.

Adding to 47162223 its reverse (32226174), we get a palindrome (79388397).

The spelling of 47162223 in words is "forty-seven million, one hundred sixty-two thousand, two hundred twenty-three".