1222212022037 has 2 divisors, whose sum is σ = 1222212022038. Its totient is φ = 1222212022036.

The previous prime is 1222212022019. The next prime is 1222212022039. The reversal of 1222212022037 is 7302202122221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1220779702321 + 1432319716 = 1104889^2 + 37846^2 .

It is an emirp because it is prime and its reverse (7302202122221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1222212022037 - 2²⁰ = 1222210973461 is a prime.

Together with 1222212022039, 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 = 1222212021997 and 1222212022015.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222212022039) 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, 611106011018 + 611106011019.

It is an arithmetic number, because the mean of its divisors is an integer number (611106011019).

Almost surely, 2^{1222212022037} is an apocalyptic number.

It is an amenable number.

1222212022037 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222212022037 is an equidigital number, since it uses as much as digits as its factorization.

1222212022037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 26.

Adding to 1222212022037 its reverse (7302202122221), we get a palindrome (8524414144258).

The spelling of 1222212022037 in words is "one trillion, two hundred twenty-two billion, two hundred twelve million, twenty-two thousand, thirty-seven".