412221345 has 8 divisors (see below), whose sum is σ = 659554176. Its totient is φ = 219851376.

The previous prime is 412221343. The next prime is 412221371. The reversal of 412221345 is 543122214.

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

It is not a de Polignac number, because 412221345 - 2¹ = 412221343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (412221343) 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, 13740697 + ... + 13740726.

It is an arithmetic number, because the mean of its divisors is an integer number (82444272).

Almost surely, 2^412221345 is an apocalyptic number.

It is an amenable number.

412221345 is a deficient number, since it is larger than the sum of its proper divisors (247332831).

412221345 is a wasteful number, since it uses less digits than its factorization.

412221345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27481431.

The product of its digits is 1920, while the sum is 24.

The square root of 412221345 is about 20303.2348407834. The cubic root of 412221345 is about 744.2351172593.

Adding to 412221345 its reverse (543122214), we get a palindrome (955343559).

The spelling of 412221345 in words is "four hundred twelve million, two hundred twenty-one thousand, three hundred forty-five".