14221667 has 2 divisors, whose sum is σ = 14221668. Its totient is φ = 14221666.

The previous prime is 14221663. The next prime is 14221681. The reversal of 14221667 is 76612241.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14221667 - 2² = 14221663 is a prime.

It is not a weakly prime, because it can be changed into another prime (14221661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7110833 + 7110834.

It is an arithmetic number, because the mean of its divisors is an integer number (7110834).

Almost surely, 2^14221667 is an apocalyptic number.

14221667 is a deficient number, since it is larger than the sum of its proper divisors (1).

14221667 is an equidigital number, since it uses as much as digits as its factorization.

14221667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 29.

The square root of 14221667 is about 3771.1625528476. The cubic root of 14221667 is about 242.2795928395.

The spelling of 14221667 in words is "fourteen million, two hundred twenty-one thousand, six hundred sixty-seven".