14356221 has 8 divisors (see below), whose sum is σ = 20881824. Its totient is φ = 8700720.

The previous prime is 14356219. The next prime is 14356231. The reversal of 14356221 is 12265341.

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

It is not a de Polignac number, because 14356221 - 2¹ = 14356219 is a prime.

It is a super-2 number, since 2×14356221² = 412202162801682, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 14356191 and 14356200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14356231) 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, 217486 + ... + 217551.

It is an arithmetic number, because the mean of its divisors is an integer number (2610228).

Almost surely, 2^14356221 is an apocalyptic number.

14356221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14356221 is a deficient number, since it is larger than the sum of its proper divisors (6525603).

14356221 is a wasteful number, since it uses less digits than its factorization.

14356221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 435051.

The product of its digits is 1440, while the sum is 24.

The square root of 14356221 is about 3788.9604115113. The cubic root of 14356221 is about 243.0412807309.

The spelling of 14356221 in words is "fourteen million, three hundred fifty-six thousand, two hundred twenty-one".