47223205 has 4 divisors (see below), whose sum is σ = 56667852. Its totient is φ = 37778560.

The previous prime is 47223193. The next prime is 47223221. The reversal of 47223205 is 50232274.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 14607684 + 32615521 = 3822^2 + 5711^2 .

It is not a de Polignac number, because 47223205 - 2¹¹ = 47221157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47223205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4722316 + ... + 4722325.

It is an arithmetic number, because the mean of its divisors is an integer number (14166963).

Almost surely, 2^47223205 is an apocalyptic number.

It is an amenable number.

47223205 is a deficient number, since it is larger than the sum of its proper divisors (9444647).

47223205 is an equidigital number, since it uses as much as digits as its factorization.

47223205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9444646.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 47223205 is about 6871.9142165775. The cubic root of 47223205 is about 361.4529883318.

Adding to 47223205 its reverse (50232274), we get a palindrome (97455479).

The spelling of 47223205 in words is "forty-seven million, two hundred twenty-three thousand, two hundred five".