47422643 has 2 divisors, whose sum is σ = 47422644. Its totient is φ = 47422642.

The previous prime is 47422637. The next prime is 47422693. The reversal of 47422643 is 34622474.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 47422643 - 2²⁴ = 30645427 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (47422633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23711321 + 23711322.

It is an arithmetic number, because the mean of its divisors is an integer number (23711322).

Almost surely, 2^47422643 is an apocalyptic number.

47422643 is a deficient number, since it is larger than the sum of its proper divisors (1).

47422643 is an equidigital number, since it uses as much as digits as its factorization.

47422643 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 32.

The square root of 47422643 is about 6886.4100226461. The cubic root of 47422643 is about 361.9611157526.

The spelling of 47422643 in words is "forty-seven million, four hundred twenty-two thousand, six hundred forty-three".