14421224 has 8 divisors (see below), whose sum is σ = 27039810. Its totient is φ = 7210608.

The previous prime is 14421221. The next prime is 14421227. The reversal of 14421224 is 42212441.

It is an interprime number because it is at equal distance from previous prime (14421221) and next prime (14421227).

It can be written as a sum of positive squares in only one way, i.e., 12376324 + 2044900 = 3518^2 + 1430^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 14421196 and 14421205.

It is not an unprimeable number, because it can be changed into a prime (14421221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 901319 + ... + 901334.

Almost surely, 2^14421224 is an apocalyptic number.

It is an amenable number.

14421224 is a deficient number, since it is larger than the sum of its proper divisors (12618586).

14421224 is a wasteful number, since it uses less digits than its factorization.

14421224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1802659 (or 1802655 counting only the distinct ones).

The product of its digits is 512, while the sum is 20.

The square root of 14421224 is about 3797.5286700695. The cubic root of 14421224 is about 243.4075476806.

Adding to 14421224 its reverse (42212441), we get a palindrome (56633665).

The spelling of 14421224 in words is "fourteen million, four hundred twenty-one thousand, two hundred twenty-four".