2002221000037 has 2 divisors, whose sum is σ = 2002221000038. Its totient is φ = 2002221000036.

The previous prime is 2002221000019. The next prime is 2002221000151. The reversal of 2002221000037 is 7300001222002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1196910393156 + 805310606881 = 1094034^2 + 897391^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2002221000037 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2002220999978 and 2002221000023.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2002221070037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001110500018 + 1001110500019.

It is an arithmetic number, because the mean of its divisors is an integer number (1001110500019).

Almost surely, 2^{2002221000037} is an apocalyptic number.

It is an amenable number.

2002221000037 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002221000037 is an equidigital number, since it uses as much as digits as its factorization.

2002221000037 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 19.

Adding to 2002221000037 its reverse (7300001222002), we get a palindrome (9302222222039).

The spelling of 2002221000037 in words is "two trillion, two billion, two hundred twenty-one million, thirty-seven", and thus it is an aban number.