47197224 has 24 divisors (see below), whose sum is σ = 127826010. Its totient is φ = 15732384.

The previous prime is 47197217. The next prime is 47197229. The reversal of 47197224 is 42279174.

It can be written as a sum of positive squares in only one way, i.e., 47196900 + 324 = 6870^2 + 18^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (47197229) 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, 327687 + ... + 327830.

Almost surely, 2^47197224 is an apocalyptic number.

It is an amenable number.

47197224 is an abundant number, since it is smaller than the sum of its proper divisors (80628786).

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

47197224 is a wasteful number, since it uses less digits than its factorization.

47197224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655529 (or 655522 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 47197224 is about 6870.0235807456. The cubic root of 47197224 is about 361.3866887740.

The spelling of 47197224 in words is "forty-seven million, one hundred ninety-seven thousand, two hundred twenty-four".