414243221 has 8 divisors (see below), whose sum is σ = 489745920. Its totient is φ = 342821808.

The previous prime is 414243217. The next prime is 414243229. The reversal of 414243221 is 122342414.

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

It is not a de Polignac number, because 414243221 - 2² = 414243217 is a prime.

It is a super-2 number, since 2×414243221² = 343194892288909682, 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 (414243229) 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, 1020101 + ... + 1020506.

It is an arithmetic number, because the mean of its divisors is an integer number (61218240).

Almost surely, 2^414243221 is an apocalyptic number.

It is an amenable number.

414243221 is a deficient number, since it is larger than the sum of its proper divisors (75502699).

414243221 is a wasteful number, since it uses less digits than its factorization.

414243221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040643.

The product of its digits is 1536, while the sum is 23.

The square root of 414243221 is about 20352.9659018041. The cubic root of 414243221 is about 745.4499157641.

Adding to 414243221 its reverse (122342414), we get a palindrome (536585635).

The spelling of 414243221 in words is "four hundred fourteen million, two hundred forty-three thousand, two hundred twenty-one".