47222312 has 16 divisors (see below), whose sum is σ = 92391840. Its totient is φ = 22584496.

The previous prime is 47222309. The next prime is 47222317. The reversal of 47222312 is 21322274.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is not an unprimeable number, because it can be changed into a prime (47222317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128138 + ... + 128505.

It is an arithmetic number, because the mean of its divisors is an integer number (5774490).

Almost surely, 2^47222312 is an apocalyptic number.

It is an amenable number.

47222312 is a deficient number, since it is larger than the sum of its proper divisors (45169528).

47222312 is a wasteful number, since it uses less digits than its factorization.

47222312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256672 (or 256668 counting only the distinct ones).

The product of its digits is 1344, while the sum is 23.

The square root of 47222312 is about 6871.8492416525. The cubic root of 47222312 is about 361.4507099353.

Adding to 47222312 its reverse (21322274), we get a palindrome (68544586).

The spelling of 47222312 in words is "forty-seven million, two hundred twenty-two thousand, three hundred twelve".