47225643 has 16 divisors (see below), whose sum is σ = 66811680. Its totient is φ = 29569536.

The previous prime is 47225641. The next prime is 47225657. The reversal of 47225643 is 34652274.

47225643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 47225643 - 2¹ = 47225641 is a prime.

It is a super-2 number, since 2×47225643² = 4460522713526898, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47225641) 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 15 ways as a sum of consecutive naturals, for example, 41721 + ... + 42837.

It is an arithmetic number, because the mean of its divisors is an integer number (4175730).

Almost surely, 2^47225643 is an apocalyptic number.

47225643 is a deficient number, since it is larger than the sum of its proper divisors (19586037).

47225643 is a wasteful number, since it uses less digits than its factorization.

47225643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1966.

The product of its digits is 40320, while the sum is 33.

The square root of 47225643 is about 6872.0916029983. The cubic root of 47225643 is about 361.4592084886.

The spelling of 47225643 in words is "forty-seven million, two hundred twenty-five thousand, six hundred forty-three".