47147224 has 8 divisors (see below), whose sum is σ = 88401060. Its totient is φ = 23573608.

The previous prime is 47147209. The next prime is 47147231. The reversal of 47147224 is 42274174.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2946694 + ... + 2946709.

Almost surely, 2^47147224 is an apocalyptic number.

It is an amenable number.

47147224 is a deficient number, since it is larger than the sum of its proper divisors (41253836).

47147224 is a wasteful number, since it uses less digits than its factorization.

47147224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5893409 (or 5893405 counting only the distinct ones).

The product of its digits is 12544, while the sum is 31.

The square root of 47147224 is about 6866.3836187618. The cubic root of 47147224 is about 361.2590278831.

The spelling of 47147224 in words is "forty-seven million, one hundred forty-seven thousand, two hundred twenty-four".