412115221 has 4 divisors (see below), whose sum is σ = 470988832. Its totient is φ = 353241612.

The previous prime is 412115203. The next prime is 412115233. The reversal of 412115221 is 122511214.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 412115221 - 2¹⁷ = 411984149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (412115251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29436795 + ... + 29436808.

It is an arithmetic number, because the mean of its divisors is an integer number (117747208).

Almost surely, 2^412115221 is an apocalyptic number.

It is an amenable number.

412115221 is a deficient number, since it is larger than the sum of its proper divisors (58873611).

412115221 is an equidigital number, since it uses as much as digits as its factorization.

412115221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58873610.

The product of its digits is 160, while the sum is 19.

The square root of 412115221 is about 20300.6211973920. The cubic root of 412115221 is about 744.1712454364.

Adding to 412115221 its reverse (122511214), we get a palindrome (534626435).

The spelling of 412115221 in words is "four hundred twelve million, one hundred fifteen thousand, two hundred twenty-one".