47143224 has 24 divisors (see below), whose sum is σ = 127679760. Its totient is φ = 15714384.

The previous prime is 47143223. The next prime is 47143231. The reversal of 47143224 is 42234174.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×47143224² = 4444967138228352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47143223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 327312 + ... + 327455.

It is an arithmetic number, because the mean of its divisors is an integer number (5319990).

Almost surely, 2^47143224 is an apocalyptic number.

It is an amenable number.

47143224 is an abundant number, since it is smaller than the sum of its proper divisors (80536536).

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

47143224 is a wasteful number, since it uses less digits than its factorization.

47143224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 654779 (or 654772 counting only the distinct ones).

The product of its digits is 5376, while the sum is 27.

The square root of 47143224 is about 6866.0923384411. The cubic root of 47143224 is about 361.2488111135.

Adding to 47143224 its reverse (42234174), we get a palindrome (89377398).

The spelling of 47143224 in words is "forty-seven million, one hundred forty-three thousand, two hundred twenty-four".