14221707 has 16 divisors (see below), whose sum is σ = 20155392. Its totient is φ = 8888960.

The previous prime is 14221703. The next prime is 14221721. The reversal of 14221707 is 70712241.

It is not a de Polignac number, because 14221707 - 2² = 14221703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14221703) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21658 + ... + 22304.

It is an arithmetic number, because the mean of its divisors is an integer number (1259712).

Almost surely, 2^14221707 is an apocalyptic number.

14221707 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

14221707 is a deficient number, since it is larger than the sum of its proper divisors (5933685).

14221707 is a wasteful number, since it uses less digits than its factorization.

14221707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1098.

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 14221707 is about 3771.1678562482. The cubic root of 14221707 is about 242.2798199853.

Adding to 14221707 its reverse (70712241), we get a palindrome (84933948).

The spelling of 14221707 in words is "fourteen million, two hundred twenty-one thousand, seven hundred seven".