47004221 has 8 divisors (see below), whose sum is σ = 52118688. Its totient is φ = 42030000.

The previous prime is 47004211. The next prime is 47004239. The reversal of 47004221 is 12240074.

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 47004221 - 2¹⁸ = 46742077 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47004193 and 47004202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47004211) 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, 34355 + ... + 35696.

It is an arithmetic number, because the mean of its divisors is an integer number (6514836).

Almost surely, 2^47004221 is an apocalyptic number.

It is an amenable number.

47004221 is a deficient number, since it is larger than the sum of its proper divisors (5114467).

47004221 is a wasteful number, since it uses less digits than its factorization.

47004221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70123.

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 47004221 is about 6855.9624415541. The cubic root of 47004221 is about 360.8934111337.

Adding to 47004221 its reverse (12240074), we get a palindrome (59244295).

The spelling of 47004221 in words is "forty-seven million, four thousand, two hundred twenty-one".