13922226187 has 2 divisors, whose sum is σ = 13922226188. Its totient is φ = 13922226186.

The previous prime is 13922226181. The next prime is 13922226217. The reversal of 13922226187 is 78162222931.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13922226187 is a prime.

It is not a weakly prime, because it can be changed into another prime (13922226181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6961113093 + 6961113094.

It is an arithmetic number, because the mean of its divisors is an integer number (6961113094).

Almost surely, 2^13922226187 is an apocalyptic number.

13922226187 is a deficient number, since it is larger than the sum of its proper divisors (1).

13922226187 is an equidigital number, since it uses as much as digits as its factorization.

13922226187 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 43.

The spelling of 13922226187 in words is "thirteen billion, nine hundred twenty-two million, two hundred twenty-six thousand, one hundred eighty-seven".