22719109351 has 2 divisors, whose sum is σ = 22719109352. Its totient is φ = 22719109350.

The previous prime is 22719109339. The next prime is 22719109397. The reversal of 22719109351 is 15390191722.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22719109351 - 2¹³ = 22719101159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22719169351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11359554675 + 11359554676.

It is an arithmetic number, because the mean of its divisors is an integer number (11359554676).

Almost surely, 2^22719109351 is an apocalyptic number.

22719109351 is a deficient number, since it is larger than the sum of its proper divisors (1).

22719109351 is an equidigital number, since it uses as much as digits as its factorization.

22719109351 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 40.

The spelling of 22719109351 in words is "twenty-two billion, seven hundred nineteen million, one hundred nine thousand, three hundred fifty-one".