1002222423193 has 2 divisors, whose sum is σ = 1002222423194. Its totient is φ = 1002222423192.

The previous prime is 1002222423157. The next prime is 1002222423253. The reversal of 1002222423193 is 3913242222001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 562324513689 + 439897909504 = 749883^2 + 663248^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002222423193 is a prime.

It is a super-4 number, since 4×1002222423193⁴ (a number of 49 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (1002222423493) 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, 501111211596 + 501111211597.

It is an arithmetic number, because the mean of its divisors is an integer number (501111211597).

Almost surely, 2^{1002222423193} is an apocalyptic number.

It is an amenable number.

1002222423193 is a deficient number, since it is larger than the sum of its proper divisors (1).

1002222423193 is an equidigital number, since it uses as much as digits as its factorization.

1002222423193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 1002222423193 its reverse (3913242222001), we get a palindrome (4915464645194).

The spelling of 1002222423193 in words is "one trillion, two billion, two hundred twenty-two million, four hundred twenty-three thousand, one hundred ninety-three".