47321224 has 16 divisors (see below), whose sum is σ = 91125900. Its totient is φ = 23020992.

The previous prime is 47321201. The next prime is 47321231. The reversal of 47321224 is 42212374.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 37822500 + 9498724 = 6150^2 + 3082^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79639 + ... + 80230.

Almost surely, 2^47321224 is an apocalyptic number.

It is an amenable number.

47321224 is a deficient number, since it is larger than the sum of its proper divisors (43804676).

47321224 is a wasteful number, since it uses less digits than its factorization.

47321224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159912 (or 159908 counting only the distinct ones).

The product of its digits is 2688, while the sum is 25.

The square root of 47321224 is about 6879.0423752147. The cubic root of 47321224 is about 361.7028991947.

Adding to 47321224 its reverse (42212374), we get a palindrome (89533598).

The spelling of 47321224 in words is "forty-seven million, three hundred twenty-one thousand, two hundred twenty-four".