1002022202189 has 2 divisors, whose sum is σ = 1002022202190. Its totient is φ = 1002022202188.

The previous prime is 1002022202081. The next prime is 1002022202197. The reversal of 1002022202189 is 9812022202001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 842433936964 + 159588265225 = 917842^2 + 399485^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002022202189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1002022202989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501011101094 + 501011101095.

It is an arithmetic number, because the mean of its divisors is an integer number (501011101095).

Almost surely, 2^{1002022202189} is an apocalyptic number.

It is an amenable number.

1002022202189 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002022202189 is an equidigital number, since it uses as much as digits as its factorization.

1002022202189 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 29.

The spelling of 1002022202189 in words is "one trillion, two billion, twenty-two million, two hundred two thousand, one hundred eighty-nine".