14542221 has 8 divisors (see below), whose sum is σ = 19913824. Its totient is φ = 9432720.

The previous prime is 14542219. The next prime is 14542237. The reversal of 14542221 is 12224541.

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

It is not a de Polignac number, because 14542221 - 2¹ = 14542219 is a prime.

It is a super-2 number, since 2×14542221² = 422952383225682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14542211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65395 + ... + 65616.

It is an arithmetic number, because the mean of its divisors is an integer number (2489228).

Almost surely, 2^14542221 is an apocalyptic number.

It is an amenable number.

14542221 is a deficient number, since it is larger than the sum of its proper divisors (5371603).

14542221 is a wasteful number, since it uses less digits than its factorization.

14542221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131051.

The product of its digits is 640, while the sum is 21.

The square root of 14542221 is about 3813.4264120342. The cubic root of 14542221 is about 244.0863989023.

Adding to 14542221 its reverse (12224541), we get a palindrome (26766762).

The spelling of 14542221 in words is "fourteen million, five hundred forty-two thousand, two hundred twenty-one".