42242203229 has 2 divisors, whose sum is σ = 42242203230. Its totient is φ = 42242203228.

The previous prime is 42242203189. The next prime is 42242203231. The reversal of 42242203229 is 92230224224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39493612900 + 2748590329 = 198730^2 + 52427^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42242203229 is a prime.

Together with 42242203231, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 42242203195 and 42242203204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42242203249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21121101614 + 21121101615.

It is an arithmetic number, because the mean of its divisors is an integer number (21121101615).

Almost surely, 2^42242203229 is an apocalyptic number.

It is an amenable number.

42242203229 is a deficient number, since it is larger than the sum of its proper divisors (1).

42242203229 is an equidigital number, since it uses as much as digits as its factorization.

42242203229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 42242203229 in words is "forty-two billion, two hundred forty-two million, two hundred three thousand, two hundred twenty-nine".