47730222 has 40 divisors (see below), whose sum is σ = 109855416. Its totient is φ = 15478128.

The previous prime is 47730209. The next prime is 47730227. The reversal of 47730222 is 22203774.

47730222 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47730227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2013 + ... + 9975.

Almost surely, 2^47730222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47730222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54927708).

47730222 is an abundant number, since it is smaller than the sum of its proper divisors (62125194).

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

47730222 is a wasteful number, since it uses less digits than its factorization.

47730222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8014 (or 8005 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 27.

The square root of 47730222 is about 6908.7062464690. The cubic root of 47730222 is about 362.7419790624.

Adding to 47730222 its reverse (22203774), we get a palindrome (69933996).

The spelling of 47730222 in words is "forty-seven million, seven hundred thirty thousand, two hundred twenty-two".