42224647 has 2 divisors, whose sum is σ = 42224648. Its totient is φ = 42224646.

The previous prime is 42224641. The next prime is 42224653. The reversal of 42224647 is 74642224.

It is a balanced prime because it is at equal distance from previous prime (42224641) and next prime (42224653).

It is a cyclic number.

It is not a de Polignac number, because 42224647 - 2¹¹ = 42222599 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42224641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21112323 + 21112324.

It is an arithmetic number, because the mean of its divisors is an integer number (21112324).

Almost surely, 2^42224647 is an apocalyptic number.

42224647 is a deficient number, since it is larger than the sum of its proper divisors (1).

42224647 is an equidigital number, since it uses as much as digits as its factorization.

42224647 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21504, while the sum is 31.

The square root of 42224647 is about 6498.0494765737. The cubic root of 42224647 is about 348.2213080133.

The spelling of 42224647 in words is "forty-two million, two hundred twenty-four thousand, six hundred forty-seven".