47622245 has 8 divisors (see below), whose sum is σ = 62341920. Its totient is φ = 34634320.

The previous prime is 47622241. The next prime is 47622307. The reversal of 47622245 is 54222674.

47622245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 47622245 - 2² = 47622241 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47622241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432875 + ... + 432984.

It is an arithmetic number, because the mean of its divisors is an integer number (7792740).

Almost surely, 2^47622245 is an apocalyptic number.

It is an amenable number.

47622245 is a deficient number, since it is larger than the sum of its proper divisors (14719675).

47622245 is a wasteful number, since it uses less digits than its factorization.

47622245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865875.

The product of its digits is 26880, while the sum is 32.

The square root of 47622245 is about 6900.8872617947. The cubic root of 47622245 is about 362.4682366144.

It can be divided in two parts, 4762 and 2245, that added together give a palindrome (7007).

The spelling of 47622245 in words is "forty-seven million, six hundred twenty-two thousand, two hundred forty-five".