412412221 has 12 divisors (see below), whose sum is σ = 448206528. Its totient is φ = 379299024.

The previous prime is 412412207. The next prime is 412412293. The reversal of 412412221 is 122214214.

It is not a de Polignac number, because 412412221 - 2²¹ = 410315069 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 (412412201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43516 + ... + 52138.

It is an arithmetic number, because the mean of its divisors is an integer number (37350544).

Almost surely, 2^412412221 is an apocalyptic number.

It is an amenable number.

412412221 is a deficient number, since it is larger than the sum of its proper divisors (35794307).

412412221 is a wasteful number, since it uses less digits than its factorization.

412412221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8932 (or 8919 counting only the distinct ones).

The product of its digits is 256, while the sum is 19.

The square root of 412412221 is about 20307.9349270181. The cubic root of 412412221 is about 744.3499703623.

Adding to 412412221 its reverse (122214214), we get a palindrome (534626435).

The spelling of 412412221 in words is "four hundred twelve million, four hundred twelve thousand, two hundred twenty-one".