142222222237 has 2 divisors, whose sum is σ = 142222222238. Its totient is φ = 142222222236.

The previous prime is 142222222183. The next prime is 142222222243. The reversal of 142222222237 is 732222222241.

142222222237 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 can be written as a sum of positive squares in only one way, i.e., 121191711876 + 21030510361 = 348126^2 + 145019^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-142222222237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 142222222199 and 142222222208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (142222223237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 71111111118 + 71111111119.

It is an arithmetic number, because the mean of its divisors is an integer number (71111111119).

Almost surely, 2^142222222237 is an apocalyptic number.

It is an amenable number.

142222222237 is a deficient number, since it is larger than the sum of its proper divisors (1).

142222222237 is an equidigital number, since it uses as much as digits as its factorization.

142222222237 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.

Adding to 142222222237 its reverse (732222222241), we get a palindrome (874444444478).

The spelling of 142222222237 in words is "one hundred forty-two billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred thirty-seven".