14542224 has 80 divisors (see below), whose sum is σ = 40235520. Its totient is φ = 4515840.

The previous prime is 14542219. The next prime is 14542237. The reversal of 14542224 is 42224541.

It is a happy number.

It is a super-2 number, since 2×14542224² = 422952557732352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 14542194 and 14542203.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42984 + ... + 43320.

It is an arithmetic number, because the mean of its divisors is an integer number (502944).

Almost surely, 2^14542224 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14542224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20117760).

14542224 is an abundant number, since it is smaller than the sum of its proper divisors (25693296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14542224 is a wasteful number, since it uses less digits than its factorization.

14542224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408 (or 402 counting only the distinct ones).

The product of its digits is 2560, while the sum is 24.

The square root of 14542224 is about 3813.4268053812. The cubic root of 14542224 is about 244.0864156870.

Adding to 14542224 its reverse (42224541), we get a palindrome (56766765).

The spelling of 14542224 in words is "fourteen million, five hundred forty-two thousand, two hundred twenty-four".