47224656 has 120 divisors (see below), whose sum is σ = 139276800. Its totient is φ = 14918400.

The previous prime is 47224637. The next prime is 47224703. The reversal of 47224656 is 65642274.

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

Its product of digits (80640) is a multiple of the sum of its prime divisors (256).

It is a self number, because there is not a number n which added to its sum of digits gives 47224656.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 316870 + ... + 317018.

It is an arithmetic number, because the mean of its divisors is an integer number (1160640).

Almost surely, 2^47224656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47224656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69638400).

47224656 is an abundant number, since it is smaller than the sum of its proper divisors (92052144).

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

47224656 is a wasteful number, since it uses less digits than its factorization.

It is an anagram of its base 11 representation: 47224656 = (24725646)₁₁.

47224656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 256 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 47224656 is about 6872.0197904255. The cubic root of 47224656 is about 361.4566903459.

The spelling of 47224656 in words is "forty-seven million, two hundred twenty-four thousand, six hundred fifty-six".