702022406381 has 2 divisors, whose sum is σ = 702022406382. Its totient is φ = 702022406380.

The previous prime is 702022406353. The next prime is 702022406401. The reversal of 702022406381 is 183604220207.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 696164953225 + 5857453156 = 834365^2 + 76534^2 .

It is an emirp because it is prime and its reverse (183604220207) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-702022406381 is a prime.

It is a super-2 number, since 2×702022406381² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (702022406311) 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, 351011203190 + 351011203191.

It is an arithmetic number, because the mean of its divisors is an integer number (351011203191).

Almost surely, 2^702022406381 is an apocalyptic number.

It is an amenable number.

702022406381 is a deficient number, since it is larger than the sum of its proper divisors (1).

702022406381 is an equidigital number, since it uses as much as digits as its factorization.

702022406381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 35.

Adding to 702022406381 its reverse (183604220207), we get a palindrome (885626626588).

The spelling of 702022406381 in words is "seven hundred two billion, twenty-two million, four hundred six thousand, three hundred eighty-one".