4412145221 has 8 divisors (see below), whose sum is σ = 4818441600. Its totient is φ = 4006714240.

The previous prime is 4412145217. The next prime is 4412145239. The reversal of 4412145221 is 1225412144.

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 4412145221 - 2² = 4412145217 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 (4412145421) 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, 205661 + ... + 226098.

It is an arithmetic number, because the mean of its divisors is an integer number (602305200).

Almost surely, 2^4412145221 is an apocalyptic number.

It is an amenable number.

4412145221 is a deficient number, since it is larger than the sum of its proper divisors (406296379).

4412145221 is a wasteful number, since it uses less digits than its factorization.

4412145221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432699.

The product of its digits is 2560, while the sum is 26.

The square root of 4412145221 is about 66423.9807674909. The cubic root of 4412145221 is about 1640.1488588111.

Adding to 4412145221 its reverse (1225412144), we get a palindrome (5637557365).

The spelling of 4412145221 in words is "four billion, four hundred twelve million, one hundred forty-five thousand, two hundred twenty-one".