14221922251 has 2 divisors, whose sum is σ = 14221922252. Its totient is φ = 14221922250.

The previous prime is 14221922207. The next prime is 14221922257. The reversal of 14221922251 is 15222912241.

It is a strong prime.

It is an emirp because it is prime and its reverse (15222912241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14221922251 is a prime.

It is not a weakly prime, because it can be changed into another prime (14221922257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7110961125 + 7110961126.

It is an arithmetic number, because the mean of its divisors is an integer number (7110961126).

Almost surely, 2^14221922251 is an apocalyptic number.

14221922251 is a deficient number, since it is larger than the sum of its proper divisors (1).

14221922251 is an equidigital number, since it uses as much as digits as its factorization.

14221922251 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 31.

The spelling of 14221922251 in words is "fourteen billion, two hundred twenty-one million, nine hundred twenty-two thousand, two hundred fifty-one".