414521221 has 8 divisors (see below), whose sum is σ = 417533760. Its totient is φ = 411515328.

The previous prime is 414521201. The next prime is 414521279. The reversal of 414521221 is 122125414.

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

It is a cyclic number.

It is not a de Polignac number, because 414521221 - 2⁵ = 414521189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 414521192 and 414521201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (414521201) 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, 247830 + ... + 249496.

It is an arithmetic number, because the mean of its divisors is an integer number (52191720).

Almost surely, 2^414521221 is an apocalyptic number.

It is an amenable number.

414521221 is a deficient number, since it is larger than the sum of its proper divisors (3012539).

414521221 is a wasteful number, since it uses less digits than its factorization.

414521221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3323.

The product of its digits is 640, while the sum is 22.

The square root of 414521221 is about 20359.7942278403. The cubic root of 414521221 is about 745.6166364446.

Adding to 414521221 its reverse (122125414), we get a palindrome (536646635).

The spelling of 414521221 in words is "four hundred fourteen million, five hundred twenty-one thousand, two hundred twenty-one".