1222002220037 has 2 divisors, whose sum is σ = 1222002220038. Its totient is φ = 1222002220036.

The previous prime is 1222002219967. The next prime is 1222002220057. The reversal of 1222002220037 is 7300222002221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 766817213761 + 455185006276 = 875681^2 + 674674^2 .

It is an emirp because it is prime and its reverse (7300222002221) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1222002220037 - 2¹⁰ = 1222002219013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1222002219994 and 1222002220021.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222002220057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611001110018 + 611001110019.

It is an arithmetic number, because the mean of its divisors is an integer number (611001110019).

Almost surely, 2^{1222002220037} is an apocalyptic number.

It is an amenable number.

1222002220037 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222002220037 is an equidigital number, since it uses as much as digits as its factorization.

1222002220037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 23.

Adding to 1222002220037 its reverse (7300222002221), we get a palindrome (8522224222258).

The spelling of 1222002220037 in words is "one trillion, two hundred twenty-two billion, two million, two hundred twenty thousand, thirty-seven".