47422471 has 2 divisors, whose sum is σ = 47422472. Its totient is φ = 47422470.

The previous prime is 47422457. The next prime is 47422477. The reversal of 47422471 is 17422474.

47422471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47422471 is a prime.

It is a super-3 number, since 3×47422471³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (47422477) 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 as a sum of consecutive naturals, namely, 23711235 + 23711236.

It is an arithmetic number, because the mean of its divisors is an integer number (23711236).

Almost surely, 2^47422471 is an apocalyptic number.

47422471 is a deficient number, since it is larger than the sum of its proper divisors (1).

47422471 is an equidigital number, since it uses as much as digits as its factorization.

47422471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12544, while the sum is 31.

The square root of 47422471 is about 6886.3975342700. The cubic root of 47422471 is about 361.9606781460.

The spelling of 47422471 in words is "forty-seven million, four hundred twenty-two thousand, four hundred seventy-one".