14221738 has 8 divisors (see below), whose sum is σ = 21602880. Its totient is φ = 7020780.

The previous prime is 14221721. The next prime is 14221769. The reversal of 14221738 is 83712241.

It is a sphenic number, since it is the product of 3 distinct primes.

14221738 is a modest number, since divided by 1738 gives 1422 as remainder.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44848 + ... + 45163.

It is an arithmetic number, because the mean of its divisors is an integer number (2700360).

Almost surely, 2^14221738 is an apocalyptic number.

14221738 is a deficient number, since it is larger than the sum of its proper divisors (7381142).

14221738 is an equidigital number, since it uses as much as digits as its factorization.

14221738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90092.

The product of its digits is 2688, while the sum is 28.

The square root of 14221738 is about 3771.1719663786. The cubic root of 14221738 is about 242.2799960230.

Adding to 14221738 its reverse (83712241), we get a palindrome (97933979).

It can be divided in two parts, 1422 and 1738, that added together give a triangular number (3160 = T₇₉).

The spelling of 14221738 in words is "fourteen million, two hundred twenty-one thousand, seven hundred thirty-eight".