47044224 has 96 divisors (see below), whose sum is σ = 137095140. Its totient is φ = 15482880.

The previous prime is 47044199. The next prime is 47044241. The reversal of 47044224 is 42244074.

It can be written as a sum of positive squares in 2 ways, for example, as 40449600 + 6594624 = 6360^2 + 2568^2 .

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 111534 + ... + 111954.

Almost surely, 2^47044224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47044224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68547570).

47044224 is an abundant number, since it is smaller than the sum of its proper divisors (90050916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47044224 is a wasteful number, since it uses less digits than its factorization.

47044224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 538 (or 523 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 27.

The square root of 47044224 is about 6858.8792087337. The cubic root of 47044224 is about 360.9957616975.

Adding to 47044224 its reverse (42244074), we get a palindrome (89288298).

The spelling of 47044224 in words is "forty-seven million, forty-four thousand, two hundred twenty-four".