42424222229 has 2 divisors, whose sum is σ = 42424222230. Its totient is φ = 42424222228.

The previous prime is 42424222201. The next prime is 42424222241. The reversal of 42424222229 is 92222242424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 41326824100 + 1097398129 = 203290^2 + 33127^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42424222229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42424224229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21212111114 + 21212111115.

It is an arithmetic number, because the mean of its divisors is an integer number (21212111115).

Almost surely, 2^42424222229 is an apocalyptic number.

It is an amenable number.

42424222229 is a deficient number, since it is larger than the sum of its proper divisors (1).

42424222229 is an equidigital number, since it uses as much as digits as its factorization.

42424222229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 73728, while the sum is 35.

The spelling of 42424222229 in words is "forty-two billion, four hundred twenty-four million, two hundred twenty-two thousand, two hundred twenty-nine".