47225720 has 16 divisors (see below), whose sum is σ = 106257960. Its totient is φ = 18890272.

The previous prime is 47225701. The next prime is 47225723. The reversal of 47225720 is 2752274.

47225720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47225723) 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 3 ways as a sum of consecutive naturals, for example, 590282 + ... + 590361.

Almost surely, 2^47225720 is an apocalyptic number.

47225720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

47225720 is an abundant number, since it is smaller than the sum of its proper divisors (59032240).

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

47225720 is a wasteful number, since it uses less digits than its factorization.

47225720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1180654 (or 1180650 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 29.

The square root of 47225720 is about 6872.0972053661. The cubic root of 47225720 is about 361.4594049379.

Adding to 47225720 its reverse (2752274), we get a palindrome (49977994).

The spelling of 47225720 in words is "forty-seven million, two hundred twenty-five thousand, seven hundred twenty".